راحتترین کار بدون دست بردن در استایل مجله به نظر من به شکل زیر است:
\documentclass{cai}
\begin{document}
\label{firstpage}
\title[A Survey on Middleware Approaches for Distributed Systems]
{A Survey on Middleware Approaches \\ for Distributed Systems}
\author[A.~author1, B.~author1, C.~author1]
{A \surname{author1}, B \surname{author2}, C \surname{author3}}
\affiliation{Department of Computer Engineering\\
Islamic Azad University\\
Tehran, Iran\\
\textit{e-mail:} \tt mal.sharifi.eng@iauctb.ac.ir, r.hakimi@iauctb.ac.ir, \\ \tt \hspace*{15mm}saghazarian@iauctb.ac.ir}
\maketitle
\end{document}
