%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Alvarez-Martin+Kavich2021} {\textquotedblleft}\textit{SPME-GC{\textendash}MS for the off-gassing analysis of a complex museum object}{\textquotedblright}. Alvarez-Martin A, Kavich G, Microchemical Journal \textbf{167}, 106276 (2021).   http://doi.org/10.1016/J.MICROC.2021.106276

\end{thebibliography}

\end{document}

