APA način citiranja

Keur, C. (2015). IOS Programming the big nerd ranch guide: The Big Nerd Ranch guide. Atlanta, GA: Big Nerd Ranch.

Čikaški stil citiranja

Keur, Christian. IOS Programming the Big Nerd Ranch Guide: The Big Nerd Ranch Guide. Atlanta, GA: Big Nerd Ranch, 2015.

MLA način citiranja

Keur, Christian. IOS Programming the Big Nerd Ranch Guide: The Big Nerd Ranch Guide. Atlanta, GA: Big Nerd Ranch, 2015.