%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Wagaarachchige_etal2021} {\textquotedblleft}\textit{A new sulfolane based solvent for CO$_{2}$ capture}{\textquotedblright}. Wagaarachchige J, Idris Z, Kummamuru NB, S{\ae}tre KA, Halstensen M, Jens K-J, SSRN electronic journal  (2021).   http://doi.org/10.2139/SSRN.3817192

\end{thebibliography}

\end{document}

