%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Thomassen_etal2019} {\textquotedblleft}\textit{How to assess the potential of emerging green technologies? Towards a prospective environmental and techno-economic assessment framework}{\textquotedblright}. Thomassen G, Van Dael M, Van Passel S, You F, Green Chemistry \textbf{21}, 4868 (2019).   http://doi.org/10.1039/C9GC02223F

\end{thebibliography}

\end{document}

