# Using BibTeX

If you use the BibTeX program by Oren Patashnik (highly recommended if you need a bibliography of more than a couple of titles) to maintain your bibliography, you don't use the `thebibliography` environment. Instead, you include the lines

            \bibliographystyle{style}
            \bibliography{bibfile}

where `style` refers to a file `style.bst`, which defines how your citations will look. The standard styles distributed with BibTeX are:

`alpha`
  Sorted alphabetically. Labels are formed from name of author and year of publication.
`plain`
  Sorted alphabetically. Labels are numeric.
`unsrt`
  Like `plain`, but entries are in order of citation.
`abbrv`
  Like `plain`, but more compact labels.

In addition, numerous other BibTeX style files exist tailored to the demands of various publications.

The argument to `\bibliography` refers to the file `bibfile.bib`, which should contain your database in BibTeX format. Only the entries referred to via `\cite` and `\nocite` will be listed in the bibliography.

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