Cita APA (7th ed.)

Sisalem, D., Floroiu, J., Kuthan, J., Abend, U., & Schulzrinne, H. (2009). SIP security. Wiley.

Cita Chicago (17th ed.)

Sisalem, Dorgham, John Floroiu, Jiri Kuthan, Ulrich Abend, i Henning Schulzrinne. SIP Security. Chichester, U.K: Wiley, 2009.

Cita MLA (9th ed.)

Sisalem, Dorgham, et al. SIP Security. Wiley, 2009.