Cita APA (7a ed.)

Trent, M., & McCormack, D. (2010). Beginning Mac OS X Snow Leopard programming. Wiley.

Cita Chicago Style (17a ed.)

Trent, Michael, y Drew McCormack. Beginning Mac OS X Snow Leopard Programming. Indianapolis, IN: Wiley, 2010.

Cita MLA (8a ed.)

Trent, Michael, y Drew McCormack. Beginning Mac OS X Snow Leopard Programming. Wiley, 2010.