Cita APA (7a ed.)

Sofield, S., Burchell, D., & Nielsen, D. (2004). PayPal hacks (First edition.). O'Reilly.

Cita Chicago Style (17a ed.)

Sofield, Shannon, Dave Burchell, y Dave Nielsen. PayPal Hacks. First edition. Beijing ; Sebastopol, California: O'Reilly, 2004.

Cita MLA (9a ed.)

Sofield, Shannon, et al. PayPal Hacks. First edition. O'Reilly, 2004.