Cita APA (7a ed.)

Conway, J., & Hillegass, A. (2011). IOS programming: The Big Nerd Ranch guide (2nd ed.). Big Nerd Ranch.

Cita Chicago Style (17a ed.)

Conway, Joe, y Aaron Hillegass. IOS Programming: The Big Nerd Ranch Guide. 2nd ed. Atlanta, Ga.: Big Nerd Ranch, 2011.

Cita MLA (8a ed.)

Conway, Joe, y Aaron Hillegass. IOS Programming: The Big Nerd Ranch Guide. 2nd ed. Big Nerd Ranch, 2011.