APA (7th ed.) Citation

Dalrymple, M., & Knaster, S. (2009). Learn Objective-C on the Mac. Apress.

Chicago Style (17th ed.) Citation

Dalrymple, Mark, and Scott Knaster. Learn Objective-C on the Mac. Berkeley, CA: Apress, 2009.

MLA (8th ed.) Citation

Dalrymple, Mark, and Scott Knaster. Learn Objective-C on the Mac. Apress, 2009.

Warning: These citations may not always be 100% accurate.