%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{10}

\bibitem{Alvarado_etal2021} Alvarado, C., Bonilla, C., Leite, J., \& Valle, J. W. F. (2021). Phenomenology of fermion dark matter as neutrino mass mediator with gauged B-L. \textit{Phys. Lett. B}, \textit{817}, 136292--12pp.

\end{thebibliography}

\end{document}

