SpringerLink (Online service), Lopez, J., Samarati, P., & Ferrer, J. L. (2007). Public Key Infrastructure: 4th European PKI Workshop: Theory and Practice, EuroPKI 2007, Palma de Mallorca, Spain, June 28-30, 2007. Proceedings. Springer Berlin Heidelberg.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Javier Lopez, Pierangela Samarati, and Josep L. Ferrer. Public Key Infrastructure: 4th European PKI Workshop: Theory and Practice, EuroPKI 2007, Palma De Mallorca, Spain, June 28-30, 2007. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Public Key Infrastructure: 4th European PKI Workshop: Theory and Practice, EuroPKI 2007, Palma De Mallorca, Spain, June 28-30, 2007. Proceedings. Springer Berlin Heidelberg, 2007.