Code snippets for standard classes:
Article
\documentclass[12pt]{article} \title{} \author{} \date{} \begin{document} \maketitle \begin{abstract} ... \end{abstract} \section{} \subsection{} \subsubsection{} \paragraph{} \subparagraph{} \end{document}
Report
\documentclass[12pt]{report} \title{} \author{} \date{} \begin{document} \maketitle \begin{abstract} ... \end{abstract} \tableofcontents \listoffigures \listoftables \chapter{} \section{} \subsection{} \subsubsection{} \paragraph{} \subparagraph{} \end{document}
Book
\documentclass[12pt]{book} \title{} \author{} \date{} \begin{document} \maketitle \tableofcontents \listoffigures \listoftables \part{} \chapter{} \section{} \subsection{} \subsubsection{} \paragraph{} \subparagraph{} \end{document}