APA (7th ed.) Citation

Allsopp, C. (2012). RubyMotion: IOS development with Ruby. The Pragmatic Programmers.

Chicago Style (17th ed.) Citation

Allsopp, Clay. RubyMotion: IOS Development with Ruby. [Place of publication not identified]: The Pragmatic Programmers, 2012.

MLA (8th ed.) Citation

Allsopp, Clay. RubyMotion: IOS Development with Ruby. The Pragmatic Programmers, 2012.

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