\documentclass[11pt]{article}
%\usepackage{geometry}                % See geometry.pdf to learn the layout options. There are lots.
%\geometry{letterpaper}                   % ... or a4paper or a5paper or ... 
%%\geometry{landscape}                % Activate for for rotated page geometry
%%\usepackage[parfill]{parskip}    % Activate to begin paragraphs with an empty line rather than an indent
%\usepackage{graphicx}
%\usepackage{amssymb,amsmath}
%\usepackage{epstopdf}
%\usepackage[german, greek, french, latin, english]{babel}

%\usepackage{basicmacros}
%\DeclareGraphicsRule{.tif}{png}{.png}{`convert #1 `dirname #1`/`basename #1 .tif`.png}
%\input{bookmacros}

\title{Test of BasicMacros.sty}
\author{ZN}
%\date{}                                           % Activate to display a given date or no date

\begin{document}
\maketitle

We will cite the Ferraro text \cite{Ferraro}.

\bibliography{calculus1}
\bibliographystyle{plain}

\end{document}