Cita APA (7a ed.)
Preetham, V. V. (2002). Internet security and firewalls. Premier Press.
Cita Chicago Style (17a ed.)
Preetham, V. V. Internet Security and Firewalls. Cincinnati, Ohio: Premier Press, 2002.
Cita MLA (9a ed.)
Preetham, V. V. Internet Security and Firewalls. Premier Press, 2002.
Precaución: Estas citas no son 100% exactas.