[Tex/LaTex] How to remove numbers from references in latex article

bibliographiesbibtex

I do not know how to remove the numbers from references in the following latex. Any suggestion?

\documentclass[twocolumn, amsmath,amssymb, aps]{revtex4-1}

\usepackage[T1]{fontenc}
\usepackage{graphicx}% Include figure files
\usepackage{dcolumn}% Align table columns on decimal point
\usepackage{bm}% bold math
\usepackage{array}
\usepackage{appendix}

\begin{document}

\preprint{APS/123-QED}

\title{Detecting Local Units in {\bf  {\it C. elegans}} Nervous System}% Force line breaks with \\
\thanks{C.elegans}%



blah bla blah 


\nocite{*}

\begin{thebibliography}{10}


\bibitem{parcellation1}Brodmann K., (1909) Vergleichende Lokalisationslehre der Grosshirnrinde. Johann Ambrosius Barth Verlag, Leipzig.
brosius Barth Verlag, Leipzig.
\bibitem{parcellation2}Penfield W., Boldrey, E., (1937) Somatic motor and sensory representation in the cerebral cortex of man as studied by electrical stimulation. Brain 60: 389-443.
\bibitem{parcellation3}Toga A. W., Thompson P. M., Mori S., Amunts K., and Zilles K. (2006). Towards multimodal atlases of the human brain. Nat. Rev. Neurosci. 7: 952-966. $doi: 10.1038/nrn2012$




\end{thebibliography}



\end{document}

The above is the codes, but I can't figure out why it produces number too. Thanks

Best Answer

You wrote in a comment:

I want to refer with names of authors

To create authoryear-style citation call-outs while using the revtex4-1 document class (which automatically loads the natbib package), your best best is to (a) learn how to use BibTeX, (b) choose a bibliography style that generates authoryear-style citation call-outs, and (c) provide the instruction 

\setcitestyle{authoryear,round}

in the preamble. And, of course, use \citet and \citep instructions to create the citation call-outs.

You don't appear to be using BibTeX, though. If you build the bibliography by hand, you need to provide some information in the optional argument of each \bibitem command, as is done in the code shown below.

If you wish to insert a bit of whitespace between the bibentries, I suggest you provide the following command in the preamble:

\AtBeginDocument{\setlength\bibsep{1ex}}

A closing comment: Creating a bibliography entirely by hand is seriously tedious, and it is likely to be error-prone. You'll do yourself a huge favor by learning how to use BibTeX to create formatted bibliographies.

enter image description here

\documentclass[twocolumn,amsmath,amssymb,aps]{revtex4-1}

% Modify the behavior of the natbib package:
\setcitestyle{authoryear,round} 

\begin{document}
\preprint{APS/123-QED}
\title{Detecting Local Units in \textit{C.\ elegans} Nervous System\thanks{C.~elegans}}
\maketitle

\citet{parcellation1}

\citep{parcellation2}

\citet{parcellation3}

blah 

blah

blah

\begin{thebibliography}{9}

\bibitem[Brodmann(1909)]{parcellation1}Brodmann K. (1909) Vergleichende Lokalisationslehre der Grosshirnrinde. Johann Ambrosius Barth Verlag, Leipzig.

\bibitem[Penfield and Boldrey(1937)]{parcellation2}Penfield W., Boldrey, E. (1937) Somatic motor and sensory representation in the cerebral cortex of man as studied by electrical stimulation. Brain 60: 389--443.

\bibitem[Toga et~al.(2006)]{parcellation3}Toga A. W., Thompson P. M., Mori S., Amunts K., and Zilles K. (2006). Towards multimodal atlases of the human brain. Nat.\ Rev.\ Neurosci.\ 7: 952--966. doi: \url{10.1038/nrn2012}.

\end{thebibliography}
\end{document}
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