\documentclass[12pt,fleqn] {report}

\usepackage[a4paper,left=2.cm,right=3.0cm,top=3cm,bottom=3cm]{geometry}
\usepackage[nonamebreak,numbers]{natbib}%nonamebreak,numbers,
%\usepackage[nonamebreak,square]{natbib}%nonamebreak,numbers,


\usepackage{xepersian}
\begin{document}
در مقاله \cite{h1}
و 
\cite{k1} و \cite{k2} 

\bibliographystyle{asa-fa}
\bibliography{refs}




\end{document}