## test.tex
\documentclass{article}
\usepackage{charter}
\begin{document}
Hello.\cite{frank}

\bibliography{wizards}
\bibliographystyle{unsrt}
\end{document}

## wizards.bib
@Book{frank,
  author = 	 {\textbf{Shelley, Mary}},
  title = 	 {Frankenstein},
  publisher = 	 {Dover},
  year = 	 1994,
  address = 	 {New York}}