Cita APA (7a ed.)

McFedries, P. (2009). Teach yourself visually MAC OS X Snow Leopard (1st edition.). Visual / Wiley.

Cita Chicago Style (17a ed.)

McFedries, Paul. Teach Yourself Visually MAC OS X Snow Leopard. 1st edition. Indianapolis, IN: Visual / Wiley, 2009.

Cita MLA (9a ed.)

McFedries, Paul. Teach Yourself Visually MAC OS X Snow Leopard. 1st edition. Visual / Wiley, 2009.