%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{2306} Albert Gordo, Florent Perronnin and Ernest Valveny. 2013. Large-scale document image retrieval and classification with runlength histograms and binary embeddings. \textit{PR}, \textbf{46}(7), 1898--1905.

\end{thebibliography}

\end{document}

