%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Guerrero_etal2023} Guerrero, M., Olmo, G. J., \& Rubiera-Garcia, D. (2023). Geodesic completeness of effective null geodesics in regular space-times with non-linear electrodynamics. \textit{Eur. Phys. J. C}, \textit{83}(9), 785--8pp.

\end{thebibliography}

\end{document}

