APA (7th ed.) Citation

Keur, C., Hillegass, A., & Conway, J. (2014). iOS programming: The Big Nerd Ranch guide (4th ed.). Big Nerd Ranch.

Chicago Style (17th ed.) Citation

Keur, Christian, Aaron Hillegass, and Joe Conway. IOS Programming: The Big Nerd Ranch Guide. 4th ed. Atlanta, GA: Big Nerd Ranch, 2014.

MLA (9th ed.) Citation

Keur, Christian, et al. IOS Programming: The Big Nerd Ranch Guide. 4th ed. Big Nerd Ranch, 2014.