%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{15}

\bibitem{404} Petia Radeva, \& Jordi Vitria. (2003). \textit{{\textquotedblleft}Inteligencia artificial{\textquotedblright} Centre de Visio per Computador}.

\end{thebibliography}

\end{document}

