APA (7th ed.) Citation

Olsen, R. (2011). Eloquent Ruby. Addison-Wesley.

Chicago Style (17th ed.) Citation

Olsen, Russ. Eloquent Ruby. Upper Saddle River, N.J.: Addison-Wesley, 2011.

MLA (8th ed.) Citation

Olsen, Russ. Eloquent Ruby. Addison-Wesley, 2011.

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