Cita APA (7a ed.)

Sadun, E. (2012). The iOS 4 developer's cookbook: Core concepts and essential recipes for iOS programmers. Addison-Wesley.

Cita Chicago Style (17a ed.)

Sadun, Erica. The IOS 4 Developer's Cookbook: Core Concepts and Essential Recipes for IOS Programmers. Upper Saddle River, NJ: Addison-Wesley, 2012.

Cita MLA (8a ed.)

Sadun, Erica. The IOS 4 Developer's Cookbook: Core Concepts and Essential Recipes for IOS Programmers. Addison-Wesley, 2012.