[n] M. Williams et al., “Design of Ion Source for LANSCE Upgrade”, in Proc. PAC'99, New York, NY, USA, Mar. 1999, paper WEA16, pp. 1920-1922.
%\cite{Williams:PAC99-WEA16} \bibitem{Williams:PAC99-WEA16} M. Williams \emph{et al.}, \textquotedblleft{Design of Ion Source for LANSCE Upgrade}\textquotedblright, in \emph{Proc. PAC’99}, New York, NY, USA, Mar. 1999, paper WEA16, pp. 1920--1922.
@inproceedings{williams:pac99-wea16, author = {M. Williams and others}, title = {{Design of Ion Source for LANSCE Upgrade}}, booktitle = {Proc. PAC'99}, pages = {1920--1922}, paper = {WEA16}, venue = {New York, NY, USA, Mar. 1999}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p99/papers/WEA16.pdf}, language = {english} }