\documentclass[10pt, a4paper, twocolumn]{article}
\usepackage[utf8]{inputenc}
\usepackage{lipsum}

\title{\Huge\textbf{Computer Ethics Paper}}
\author{Andrea Gussoni}
%\date{February 2016}

\begin{document}

\begin{titlepage}
\maketitle
\end{titlepage}

\include{chapters/abstract}
\include{chapters/introduction}
\include{chapters/sections}
\include{chapters/conclusions}
\include{chapters/references}

\end{document}