Cita APA (7a ed.)

Knaster, S., Dalrymple, M., & Malik, W. (2012). Learn Objective-C on the Mac: For OS X and iOS (2nd ed. 2012.). Apress : Imprint: Apress.

Cita Chicago Style (17a ed.)

Knaster, Scott, Mark Dalrymple, y Waqar Malik. Learn Objective-C on the Mac: For OS X and IOS. 2nd ed. 2012. Berkeley, CA: Apress : Imprint: Apress, 2012.

Cita MLA (8a ed.)

Knaster, Scott, et al. Learn Objective-C on the Mac: For OS X and IOS. 2nd ed. 2012. Apress : Imprint: Apress, 2012.