[n] E. R. Gray et al., “Longitudinal Beam Motion in the Fermilab Booster Accelerator”, in Proc. PAC'75, Washington D.C., USA, Mar. 1975, pp. 1897-1900.
%\cite{Gray:PAC75} \bibitem{Gray:PAC75} E. R. Gray \emph{et al.}, \textquotedblleft{Longitudinal Beam Motion in the Fermilab Booster Accelerator}\textquotedblright, in \emph{Proc. PAC’75}, Washington D.C., USA, Mar. 1975, pp. 1897--1900.
@inproceedings{gray:pac75, author = {E. R. Gray and others}, title = {{Longitudinal Beam Motion in the Fermilab Booster Accelerator}}, booktitle = {Proc. PAC'75}, pages = {1897--1900}, paper = {}, venue = {Washington D.C., USA, Mar. 1975}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }