APA (7th ed.) Citation

Buttfield-Addison, P., Manning, J., & Nugent, T. (2014). Learning Cocoa with Objective-C, 4th Edition (4th edition.). O'Reilly Media, Inc..

Chicago Style (17th ed.) Citation

Buttfield-Addison, Paris, Jonathon Manning, and Tim Nugent. Learning Cocoa with Objective-C, 4th Edition. 4th edition. O'Reilly Media, Inc., 2014.

MLA (9th ed.) Citation

Buttfield-Addison, Paris, et al. Learning Cocoa with Objective-C, 4th Edition. 4th edition. O'Reilly Media, Inc., 2014.