APA (7th ed.) Citation

(2001). Learning Cocoa (1. ed.). O'Reilly.

Chicago Style (17th ed.) Citation

Learning Cocoa. 1. ed. Beijing ; Cambridge ; Farnham ; Köln ; Paris ; Sebastopol u.a: O'Reilly, 2001.

MLA (9th ed.) Citation

Learning Cocoa. 1. ed. O'Reilly, 2001.