%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Virkajaervi_etal2015} Virkaj{\"a}rvi, P., Lehtonen, H., \& J{\"a}rvenranta, K. (2015). Regional impacts of climate change, observations and projections. Finnish Pilot study: North Savo region. (Vol. 6, pp. SP6--5). Brussels.

\end{thebibliography}

\end{document}

