%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Vohra_etal2019} {\textquotedblleft}\textit{Evolution of phosphorus-vacancy clusters in epitaxial germanium}{\textquotedblright}. Vohra A, Khanam A, Slotte J, Makkonen I, Pourtois G, Loo R, Vandervorst W, Journal of applied physics \textbf{125}, 025701 (2019).   http://doi.org/10.1063/1.5054996

\end{thebibliography}

\end{document}

