APA (7th ed.) Citation

Hillegass, A., & Ward, M. (2013). Objective-C Programming: The Big Nerd Ranch Guide (2nd edition.). Big Nerd Ranch Guides.

Chicago Style (17th ed.) Citation

Hillegass, Aaron, and Mikey Ward. Objective-C Programming: The Big Nerd Ranch Guide. 2nd edition. Big Nerd Ranch Guides, 2013.

MLA (9th ed.) Citation

Hillegass, Aaron, and Mikey Ward. Objective-C Programming: The Big Nerd Ranch Guide. 2nd edition. Big Nerd Ranch Guides, 2013.

Warning: These citations may not always be 100% accurate.