Cita APA (7a ed.)

Johnson, Y. (2010). Using Mac OS X Snow Leopard (1st edition.). Que.

Cita Chicago Style (17a ed.)

Johnson, Yvonne. Using Mac OS X Snow Leopard. 1st edition. Que, 2010.

Cita MLA (9a ed.)

Johnson, Yvonne. Using Mac OS X Snow Leopard. 1st edition. Que, 2010.