%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Rojas_etal2019} Rojas, N., Srivastava, R., \& Valle, J. W. F. (2019). Simplest scoto-seesaw mechanism. \textit{Phys. Lett. B}, \textit{789}, 132--136.

\end{thebibliography}

\end{document}

