%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Bombacigno_etal2021} Bombacigno, F., Boudet, S., Olmo, G. J., \& Montani, G. (2021). Big bounce and future time singularity resolution in Bianchi I cosmologies: The projective invariant Nieh-Yan case. \textit{Phys. Rev. D}, \textit{103}(12), 124031.

\end{thebibliography}

\end{document}

