Cita APA (7a ed.)

Goldstein, N., & Kowalski, K. G. (2013). Objective-C programming for dummies. Wiley.

Cita Chicago Style (17a ed.)

Goldstein, Neal, y Karl G. Kowalski. Objective-C Programming for Dummies. Hoboken, N.J: Wiley, 2013.

Cita MLA (9a ed.)

Goldstein, Neal, y Karl G. Kowalski. Objective-C Programming for Dummies. Wiley, 2013.