%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Alvarez-Martin_etal2020} {\textquotedblleft}\textit{Understanding air-tight case environments at the National Museum of the American Indian (Smithsonian Institution) by SPME-GC-MS analysis}{\textquotedblright}. Alvarez-Martin A, McHugh K, Martin C, Kavich G, Kaczkowski R, Journal Of Cultural Heritage \textbf{44}, 38 (2020).   http://doi.org/10.1016/J.CULHER.2020.01.004

\end{thebibliography}

\end{document}

