[n] G. Dugan et al., “The Extraction system of the NEVIS Synchrocyclotron”, in Proc. PAC'77, Chicago, IL, USA, Mar. 1977, pp. 1467-1470.
%\cite{Dugan:PAC77} \bibitem{Dugan:PAC77} G. Dugan \emph{et al.}, \textquotedblleft{The Extraction system of the NEVIS Synchrocyclotron}\textquotedblright, in \emph{Proc. PAC’77}, Chicago, IL, USA, Mar. 1977, pp. 1467--1470.
@inproceedings{dugan:pac77, author = {G. Dugan and others}, title = {{The Extraction system of the NEVIS Synchrocyclotron}}, booktitle = {Proc. PAC'77}, pages = {1467--1470}, paper = {}, venue = {Chicago, IL, USA, Mar. 1977}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }