Cita APA

Knaster, S., & Dalrymple, M. (2009). Learn Objective-C on the Mac (1st ed. 2009.). Berkeley, CA: Apress : Imprint: Apress.

Citación estilo Chicago

Knaster, Scott., y Mark Dalrymple. Learn Objective-C On the Mac. 1st ed. 2009. Berkeley, CA: Apress : Imprint: Apress, 2009.

Cita MLA

Knaster, Scott., y Mark Dalrymple. Learn Objective-C On the Mac. 1st ed. 2009. Berkeley, CA: Apress : Imprint: Apress, 2009.