%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Colomer_etal2004} {\textquotedblleft}\textit{Interpretation of electron diffraction from carbon nanotube bundles presenting precise helicity}{\textquotedblright}. Colomer J-F, Henrard L, Launois P, Van Tendeloo G, Lucas AA, Lambin P, Physical review : B : condensed matter and materials physics \textbf{70}, 075408 (2004).   http://doi.org/10.1103/PhysRevB.70.075408

\end{thebibliography}

\end{document}

