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I am using revtex, \documentclass[onecolumn]{revtex4}

I would like to have references numbers in order of their appearance but it cannot be performed with \bibliographystyle{unsrt}

I am writing the references inside the LaTex file manually not in a bibfile. The references in the main latex work are like 

\bibitem{stab} Y. S. Myung, Phys. Lett. B 652, 223 (2007).
\bibitem{RevH} S. Wang, Y. Wang, M. Li, Phys. Rep. 696, 1 (2017).
\bibitem{Tavayef} M. Tavayef, A. Sheykhi, K. Bamba, H. Moradpour, Phys. Lett. B 781, 195 (2018).

but I have the problem that the numbers of references are nor in order of appearance. Any help please.

Ma Y
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1 Answers1

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The order of the reference numbers is always the same as the order of the \bibitems, so in your case \cite{stab} will inevitably produce [1].

The {unsrt} bibliography style is one which generates its .bbl output without sorting the entries in any way, and thus preserving the order in which \cite commands were encountered in the main .tex file. That is, the generated \bibitem commands in the .bbl will end up appearing in citation order.

It's not clear what you mean by ‘it cannot be performed with \bibliographystyle{unsrt}’. It should be that if you include \bibliographystyle{unsrt} in the .tex file, and combine that with a suitable .bib file, then bibtex will generate the .bbl file that it appears you're looking for.

If it's a different reference style you're looking for, then you need to select another one which also is unsorted.

Norman Gray
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  • I mean instead of using the `bibfile` I explicitly write the references by hand inside the tex file as I showed above. Now when I use `unsrt` nothing happen to show the numbers of references by appearance order. For example my first numbers of references still is `50` next one is `74` and so on. – Ma Y May 09 '19 at 07:56
  • The `\bibliographystyle` command is _purely_ an instruction to BibTeX, and will have no effect if you don't use BibTeX. If you're inserting `\bibitem` commands in the LaTeX file by hand, then the `\bibliographystyle` command will be ignored. Can you add a [MWE](https://tex.meta.stackexchange.com/questions/228/ive-just-been-asked-to-write-a-minimal-example-what-is-that) (also, this question might be better on [the TeX Stackexchange site](https://tex.stackexchange.com) – I'll possibly migrate it if we don't converge shortly. – Norman Gray May 10 '19 at 09:42
  • Also, does [this existing question](https://stackoverflow.com/questions/144639/how-to-order-citations-by-appearance-using-bibtex) help? – Norman Gray May 10 '19 at 10:03
  • I understand if we do not use `.bib` file and explicitly write the references inside the tex file. it is not able to modify them by appearance order. – Ma Y May 10 '19 at 10:12
  • My another question is `https://stackoverflow.com/questions/56075429/modifying-revtex-for-title-author-name-and-abstract` could I ask you to help please – Ma Y May 10 '19 at 10:14