[n] R. E. Worsham et al., “A 4-MeV Experimental Separated-Orbit Cyclotron”, in Proc. PAC'67, Washington D.C., USA, Mar. 1967, pp. 760-764.
%\cite{Worsham:PAC67} \bibitem{Worsham:PAC67} R. E. Worsham \emph{et al.}, \textquotedblleft{A 4-MeV Experimental Separated-Orbit Cyclotron}\textquotedblright, in \emph{Proc. PAC’67}, Washington D.C., USA, Mar. 1967, pp. 760--764.
@inproceedings{worsham:pac67, author = {R. E. Worsham and others}, title = {{A 4-MeV Experimental Separated-Orbit Cyclotron}}, booktitle = {Proc. PAC'67}, pages = {760--764}, paper = {}, venue = {Washington D.C., USA}, series = {Particle Accelerator Conference}, number = {2}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1967}, language = {english} }