%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{WorldHealthOrganization2005} World Health Organization. (2005). \textit{Mental health policiy and service guidance package : child and adolescent mental health policies and plans}. Geneva: World Health Organization (WHO).

\end{thebibliography}

\end{document}

