%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Sellheim+nueva2018} Sellheim, N. P., \& nueva, E. a. sitio externo E. enlace se abrir{\'a} en una ventana. (2018). {\textquoteleft}The rage of the Northmen{\textquoteright}: Extreme metal and North-motivated violence. \textit{The Polar Record}, \textit{54}(5-6), 339--348.

\end{thebibliography}

\end{document}

