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Possible Duplicate:
How to use 1. (number followed by dot) format instead of [1] format in bibliography

I would like to use round parentheses () instead of square brackets [] for citations in a document that I'm working on. I figured out how to get them in the text using the round option with natbib. I can't figure out to have the generated bibliography to show () instead of [] when it lists the references. What do I need to change to fix the way it formats the bibliography?

Community
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Phillip
  • 505
  • Similar to http://tex.stackexchange.com/questions/14183/how-to-use-1-number-followed-by-dot-format-instead-of-1-format-in-bibliogra (and probably others). – Joseph Wright Aug 13 '12 at 07:55

1 Answers1

15

Add this to the preamble:

\makeatletter
\renewcommand\@biblabel[1]{(#1)}
\makeatother

A minimal example:

\begin{filecontents*}{xxyyzz.bib}
@article{author12,
    author = "The Author",
    title = "The Title",
    journal = "The journal",
    year = "2012"
}
\end{filecontents*}

\documentclass{article}
\usepackage[round,numbers]{natbib}

\makeatletter
\renewcommand\@biblabel[1]{(#1)}
\makeatother

\begin{document}

\cite{author12}

\bibliographystyle{plainnat}
\bibliography{xxyyzz}

\end{document}

The resulting document:

enter image description here

The above method will work whether using natbib or not; as Torbjørn T mentions, with natbib you can simply say

\renewcommand\bibnumfmt[1]{(#1)}

to obtain the same result.

Gonzalo Medina
  • 505,128