 \documentclass[12pt,oneside,letter]{memoir}
 \usepackage{epsfig}
 
 \begin{document}
 
 \title{UV-Vis Absorption Spectroscopy of Electronic Transition}
 \author{Robert H. Guinn}
 \date{\today}
 \maketitle
 
\begin{abstract}

\end{abstract}

\section{Theory}

\section{Procedure}

\section{Results}

\section{Discussion}

\section{Conclusion}


 
 
 \end{document}