%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Faraji_etal2021} {\textquotedblleft}\textit{Novel two-dimensional ZnO$_{2}$, CdO$_{2}$ and HgO$_{2}$ monolayers: a first-principles-based prediction}{\textquotedblright}. Faraji M, Bafekry A, Gogova D, Hoat DM, Ghergherehchi M, Chuong NV, Feghhi SAH, New Journal Of Chemistry \textbf{45}, 9368 (2021).   http://doi.org/10.1039/D1NJ01610E

\end{thebibliography}

\end{document}

