APA (7th ed.) Citation

Buck, E. M., & Yacktman, D. (2009). Cocoa design patterns (1st edition.). Addison-Wesley Professional.

Chicago Style (17th ed.) Citation

Buck, Erik M., and Donald Yacktman. Cocoa Design Patterns. 1st edition. [United States?]: Addison-Wesley Professional, 2009.

MLA (9th ed.) Citation

Buck, Erik M., and Donald Yacktman. Cocoa Design Patterns. 1st edition. Addison-Wesley Professional, 2009.