01Three things that happen to published papers.
They differ enormously in seriousness and they are frequently confused, which matters because the right response to each is different.
- A correction, sometimes called an erratum. Something specific was wrong and has been fixed: a figure, a number, an author's affiliation. The paper stands and you should cite the corrected version.
- An expression of concern. Somebody has raised a question the journal considers serious enough to flag while it investigates. The paper is not withdrawn but it is no longer something to lean on without saying so.
- A retraction. The paper is withdrawn, and the reasons range from honest error to fabrication. It remains visible, usually stamped, because the record of what was published matters even when the content does not stand.
- None of these reaches the copy you saved. A downloaded file cannot update itself, and a printed one certainly cannot.
02Why this reaches students more than it used to.
Two reasons, and neither is about anybody behaving badly. Retraction volume has risen substantially, partly because detection has improved and partly because publishing volume has, so more papers exist and more of them are being checked properly.
And the way people find sources has changed. A citation increasingly arrives through a search result, a reference list, or a summary written by something else, rather than through the journal's own page. Every one of those routes hands you the content without the status attached to it.
That is the mechanism worth understanding. It is not that students cite retracted work carelessly. It is that the ordinary route to a paper now bypasses the one place where its status is displayed.
03The ninety-second check.
Do it for anything a claim genuinely rests on, which in a student paper is usually three or four sources rather than thirty.
Open the paper at the publisher's own page rather than reading the copy in your folder. Retractions and corrections are displayed there, usually prominently and usually in colour. Then, where a source is doing serious work in your argument, check whether anything has been published about it since, which the article's page will normally show through its citing-articles list.
For anything doctoral or anything that will be defended in a room, that check is not optional and it is worth doing again shortly before submission, because a paper standing in March may not be standing in September. Where the analysis is part of a long-form project, that discipline sits with everything else at the capstone desk.
04What to do when something you cited is withdrawn.
Do not quietly delete it and hope. If the claim genuinely rested on that paper, removing the citation leaves an unsupported assertion, which is a worse problem than the one you started with.
Work out what the paper was doing in your argument. If it was one of several sources supporting a point, remove it and say the point rests on the others. If it was the sole support, the claim has to be softened or dropped, and doing that honestly is far stronger than leaving a sentence standing on nothing.
There is a third case worth knowing about: sometimes the retracted work is itself worth discussing, and citing it as a retracted paper while explaining why is legitimate and occasionally the most interesting paragraph in a piece. What is never acceptable is citing it as though it still stood.
05The habit that makes all of this cheap.
Record where you got each source and when. A reading record with the date and the route means that re-checking a handful of sources before submission takes minutes rather than an afternoon of trying to remember which of forty things carried the weight.
It also protects you in the other direction. If something you cited is later withdrawn and somebody asks, being able to show that it was in good standing when you used it is a completely different conversation from having no idea. That system is described at keeping what you read, and it takes about a minute per source to maintain.
Questions at this desk.
Am I in trouble for citing something retracted?
Not usually, provided it was in good standing when you used it and you deal with it properly once you know. What causes difficulty is continuing to rely on it after the withdrawal, or being unable to say when and where you obtained it. Both are avoidable with a record and one check.
How would I even know?
You would not, from your own copy, which is the point of this issue. The status lives on the publisher's page. That is why anything a claim genuinely rests on is worth opening at source rather than reading from the file you saved, particularly shortly before you submit.
Does this apply to older sources?
It applies to any age, and older sources are if anything likelier to have accumulated corrections or subsequent contradiction simply through having existed longer. Age is not the risk factor. How much weight your argument places on the source is.
Should I check every source?
No, that is disproportionate for most coursework. Check the ones carrying real weight, which is usually a handful. For doctoral work the bar is higher, because you will be asked about your evidence in person and being unaware that a key source was withdrawn is a difficult position to be in.
Notes in the margin, from the people at the desks.
READ THE LETTER