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I knew citations can be embedded as footnotes in biblatex using \footcite{}. I encountered an error ! Undefined control sequence. .

! Undefined control sequence.
l.7 \footcite

I tried to solve it by adding the package biblatex, but encountered another issue ! LaTeX Error: Command \bibhang already defined..

How do I embed citations into footnotes using natbib?


This question is not duplicated with What to do to switch to biblatex? as I am seeking for a solution of embedding citations into footnotes (I use the template latex using natbib from Cambridge for my thesis) without switching to biblatex (it raises other issues.).

  • Short answer (because of missing MWE): \footnote{\cite{…}}. Nevertheless, I would recommend to switch over from natbib to biblatex. This means you should remove loading natbib and use biblatex and biber instead (and also remove \bibliographystyle and replace \bibliography by \addbibresource and printbibliography). If you need natbib compatibility you can use option natbib. – Schweinebacke Mar 6 '17 at 11:22
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    Possible duplicate of What to do to switch to biblatex? – Schweinebacke Mar 6 '17 at 11:25
  • @Schweinebacke, any reason to switch to biblatex? – SparkAndShine Mar 6 '17 at 11:54
  • You want to use \footcite and biblatex provides \footcite. ;-) And have a look into tex.stackexchange.com/questions/25701/… – Schweinebacke Mar 6 '17 at 11:59
  • To the best of my knowledge natbib does not have a \footcite equivalent. There is footbib, but I'm not even sure if its compatible with natbib. Other than that your best bet might be \footnote{\cite{...}} or a new command for that. Is there any special reason you have to use natbib and can't use biblatex? – moewe Mar 6 '17 at 13:28
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natbib does not provide commands for citations in footnotes out of the box.

You can certainly use \footnote{\cite{sigfridsson}} and you can create a command for that

\newcommand*{\footcite}[1]{\footnote{\cite{#1}}}

Though you might want to make it more sophisticated with handling for optional arguments if you intend to use it more often.

There used to be the footbib package, but according to egreg's comment on Footbib package error that is incompatible with more recent versions of LaTeX.

If you can't switch to biblatex (or jurabib) you will have to use the poor man's version I suggested above.

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