\documentclass{article}

% Make PDFLaTeX builds reproducible
\pdfinfoomitdate=1
\pdfsuppressptexinfo=-1
\pdftrailerid{}

\usepackage{graphics}

% Title info
\title{Use BibTeX}
\author{You}
\date{Some day}

\begin{document}
    \maketitle

    Some sentence. \cite{knuth:1984}

    \bibliography{references}
    \bibliographystyle{unsrt}
\end{document}
