APA (7th ed.) Citation

Fitzgerald, M. (2007). Ruby Pocket Reference. O'Reilly.

Chicago Style (17th ed.) Citation

Fitzgerald, Michael. Ruby Pocket Reference. Sebastopol, Calif.: O'Reilly, 2007.

MLA (9th ed.) Citation

Fitzgerald, Michael. Ruby Pocket Reference. O'Reilly, 2007.

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