\documentclass[11pt,a4paper]{article}

\usepackage{times}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}

\usepackage[a4paper, lmargin=0.12\paperwidth, rmargin=0.12\paperwidth, tmargin=0.1\paperheight, bmargin=0.1\paperheight]{geometry} %margins

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\title{Your Title}
\author{First Name Last Name}

\begin{document}
\maketitle
\begin{abstract}
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\end{abstract}

\section{Introduction}
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text text text \citep{Aho:72}. 

text text text text text text text text text text text text text text text text text text text text text
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\citet{Aho:72}.
text text text text text text text text text text text text text text text text text text text text text
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\bibliography{bibfile}

\end{document}
