APA (7th ed.) Citation

Dalrymple, M., & Knaster, S. (2009). Learn Objective-C on the Mac: [everything you need to know to become an Objective-C guru]. Apress.

Chicago Style (17th ed.) Citation

Dalrymple, Mark, and Scott Knaster. Learn Objective-C on the Mac: [everything You Need to Know to Become an Objective-C Guru]. Berkeley, CA: Apress, 2009.

MLA (9th ed.) Citation

Dalrymple, Mark, and Scott Knaster. Learn Objective-C on the Mac: [everything You Need to Know to Become an Objective-C Guru]. Apress, 2009.