%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{15}

\bibitem{2345} Albert Gordo, Mar{\c c}al Rusi{\~n}ol, Dimosthenis Karatzas and Andrew Bagdanov. 2013. Document Classification and Page Stream Segmentation for Digital Mailroom Applications. \textit{12th International Conference on Document Analysis and Recognition}.621--625.

\end{thebibliography}

\end{document}

