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

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

\begin{document}

\maketitle

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

\end{document}