%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Hofman_etal2018} {\textquotedblleft}\textit{Cyclist exposure to black carbon, ultrafine particles and heavy metals : an experimental study along two commuting routes near Antwerp, Belgium}{\textquotedblright}. Hofman J, Samson R, Joosen S, Blust R, Lenaerts S, Environmental research \textbf{164}, 530 (2018).   http://doi.org/10.1016/J.ENVRES.2018.03.004

\end{thebibliography}

\end{document}

