Cita APA (7th ed.)

Bennett, G., Fisher, M., & Lees, B. (2011). Objective-C for absolute beginners: IPhone, iPad, and Mac programming made easy (2nd ed.). Apress. https://doi.org/10.1007/978-1-4302-3654-2

Cita Chicago (17th ed.)

Bennett, Gary, Mitch Fisher, i Brad Lees. Objective-C for Absolute Beginners: IPhone, IPad, and Mac Programming Made Easy. 2nd ed. Berkeley, CA: Apress, 2011. https://doi.org/10.1007/978-1-4302-3654-2.

Cita MLA (9th ed.)

Bennett, Gary, et al. Objective-C for Absolute Beginners: IPhone, IPad, and Mac Programming Made Easy. 2nd ed. Apress, 2011. https://doi.org/10.1007/978-1-4302-3654-2.