%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{441} Robert Benavente, \& Maria Vanrell. (2004). \textit{Fuzzy Colour Naming Based on Sigmoid Membership Functions.}.

\end{thebibliography}

\end{document}

