Cita APA (7a ed.)

Sheppard, A. (2005). Skype hacks (First edition.). O'Reilly.

Cita Chicago Style (17a ed.)

Sheppard, Andrew. Skype Hacks. First edition. Beijing ; Sebastopol, California: O'Reilly, 2005.

Cita MLA (9a ed.)

Sheppard, Andrew. Skype Hacks. First edition. O'Reilly, 2005.