%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Viaggi2013} Viaggi, D. (2013). Cross-cutting results of session 3 on cross-theme studies..

\end{thebibliography}

\end{document}

