\documentclass[a4paper,12pt]{report}
\usepackage{amsthm,amssymb,amsmath}
\usepackage[numbers]{natbib}
\usepackage[pagebackref=true,colorlinks,linkcolor=blue,citecolor=magenta]{hyperref}          
\usepackage{xepersian}
\defpersianfont\nastaliq[Scale=2]{IranNastaliq}
\settextfont[Scale=1.1]{XB Zar}
\setdigitfont{XB Zar}
\setlatintextfont[Scale=1]{LinLibertine}
\begin{document}
اول 
\cite{1}
را داریم.سپس 
\cite{2}

\Latincite{Baker02limits}
{\small

\bibliographystyle{acm-fa}

\bibliography{Refs1}
}
 
\end{document}