The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Sannibale:IPAC2017-MOPIK019}
\bibitem{Sannibale:IPAC2017-MOPIK019}
F. Sannibale, J.M. Byrd, D. Filippetto, M.J. Johnson, D. Li, T.H. Luo, \emph{et al.},
% F. Sannibale, J.M. Byrd, D. Filippetto, M.J. Johnson, D. Li, T.H. Luo, C.E. Mitchell, J.W. Staples, and S.P. Virostek,
% F. Sannibale \emph{et al.},
\textquotedblleft{Upgrade Options Towards Higher Fields and Beam Energies for Continuous-Wave Room-Temperature VHF RF Guns}\textquotedblright,
% in \emph{Proc. IPAC2017}, pp. 542--544,
% in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper MOPIK019, pp. 542--544,
in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)},
Copenhagen, Denmark, May 2017, paper MOPIK019, pp. 542--544,
% ISBN: 978-3-95450-182-3,
\url{http://jacow.org/ipac2017/papers/mopik019.pdf},
\url{https://doi.org/10.18429/JACoW-IPAC2017-MOPIK019}, 2017.