[n] S. Fukumoto et al., “Recent Progress in KEK Preinjector”, in Proc. PAC'77, Chicago, IL, USA, Mar. 1977, pp. 1121-1124.
%\cite{Fukumoto:PAC77} \bibitem{Fukumoto:PAC77} S. Fukumoto \emph{et al.}, \textquotedblleft{Recent Progress in KEK Preinjector}\textquotedblright, in \emph{Proc. PAC’77}, Chicago, IL, USA, Mar. 1977, pp. 1121--1124.
@inproceedings{fukumoto:pac77, author = {S. Fukumoto and others}, title = {{Recent Progress in KEK Preinjector}}, booktitle = {Proc. PAC'77}, pages = {1121--1124}, paper = {}, venue = {Chicago, IL, USA, Mar. 1977}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }