%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Worobiec_etal2008} {\textquotedblleft}\textit{A seasonal study of atmospheric conditions influenced by the intensive tourist flow in the Royal Museum of Wawel Castle in Cracow, Poland}{\textquotedblright}. Worobiec A, Samek L, Karaszkiewicz P, Kontozova-Deutsch V, Stefaniak EA, van Meel K, Krata A, Bencs L, Van Grieken R, Microchemical journal \textbf{90}, 99 (2008).   http://doi.org/10.1016/J.MICROC.2008.04.005

\end{thebibliography}

\end{document}

