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I am using the natbib package with the aspr style.

The command \citep{key} prints "(Smith et al., 2011)" if the number of authors is more than 3. How can I change it so that it uses the "et al." abbreviation if the number of names is greater than 2?

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Copy the file apsr.bst to your working directory and rename it to, say, myapsr.bst. In the renamed copy, look for FUNCTION {format.lab.names.abbr} and here for the code line

    { numnames #3 >

Replace this line with

    { numnames #2 >

and compile your .tex file using \bibliographystyle{myapsr}.

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  • I suspected that it was hard coded. Is there a biblatex style similar to aspr? – egreg Nov 16 '11 at 17:08
  • @egreg: At first sight, it's a fairly standard author-year-style. – lockstep Nov 16 '11 at 17:10
  • It seems to have worked! – Ben Nov 24 '11 at 12:37

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