Cita APA (7a ed.)

Mairs, J. (2002). VPNs: A beginner's guide. McGraw-Hill/Osborne.

Cita Chicago Style (17a ed.)

Mairs, John. VPNs: A Beginner's Guide. New York: McGraw-Hill/Osborne, 2002.

Cita MLA (9a ed.)

Mairs, John. VPNs: A Beginner's Guide. McGraw-Hill/Osborne, 2002.