APA (7th ed.) Citation

Buck, E. M., & Yacktman, D. A. (2010). Cocoa design patterns. Addison-Wesley.

Chicago Style (17th ed.) Citation

Buck, Erik M., and Donald A. Yacktman. Cocoa Design Patterns. Upper Saddle River, NJ: Addison-Wesley, 2010.

MLA (9th ed.) Citation

Buck, Erik M., and Donald A. Yacktman. Cocoa Design Patterns. Addison-Wesley, 2010.