In the case where I am referencing more than 1 instance of a website, I can't figure out how to show as:

(Flickr, 2017a) in the 1st instance AND (Flickr, 2017b) in the 2nd instance.

Currently, cited as \citep{Flickrb} and appears as (Flickrb, 2017) when compiled BUT Needs to read as (Flickr,2017b)

Current User Package (Applied to all my other citations - single occurrences):

\usepackage[square, numbers, comma, sort&compress]{natbib}  % Use the "Natbib" style for the references in the Bibliography

Current Bibliography.bib file it appears like this:


I thought it would just be a case of placing the letter after the year like this:


But it outputs (Flickr, 017b) or something like that. Also tried placing a comma after the year year={2017,b} and same result.

Does anyone by any chance know how to do this?

Thanks in advance, Alan

  • 1
    Welcome to TeX.SE. Please tell us which bibliography style you employ. – Mico Aug 26 '17 at 21:30
  • Incidentally, what exactly are you trying to achieve by first specifying the options numbers and square (for numeric-style citation call-outs encased in square brackets) and then overriding these options via the \setcitestyle{authoryear,open={(},close={)}} directive? Why not load the natbib package directly with the options round and authoryear? Please advise. – Mico Aug 26 '17 at 21:33
  • You should think about it, is Flickr the author of what you want to cite? I know for sure that Stackexchange is not author of the comment i am just writing. – Johannes_B Aug 27 '17 at 6:11

If you have more than one entry with the same author(s) and publication year, just let natbib and LaTeX do the work for you. No need to affix "a", "b" etc in the raw bib entries.

enter image description here

  author={Smith, John},
  title ={Mature Thoughts},
  year  ={2017},
  month =dec,
  author={Smith, John},
  Title ={Beginners' Thoughts},
  year  ={2017},
  month =feb,

\bibliographystyle{apalike} % or whatever style you wish to use
As shown by \citet{Smith:2017-further,Smith:2017-beginner}, \dots

As argued by others \citep[e.g.,][]{Smith:2017-further,Smith:2017-beginner}, \dots

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