Cita APA (7a ed.)

Oliveira, C. (2013). Objective-C programmer's reference. Apress.

Cita Chicago Style (17a ed.)

Oliveira, Carlos. Objective-C Programmer's Reference. [New York, N.Y.]: Apress, 2013.

Cita MLA (8a ed.)

Oliveira, Carlos. Objective-C Programmer's Reference. Apress, 2013.