APA (7th ed.) Citation

Cooper, P. (2009). Beginning Ruby: From Novice to Professional (2nd ed. 2009.). Apress : Imprint: Apress.

Chicago Style (17th ed.) Citation

Cooper, Peter. Beginning Ruby: From Novice to Professional. 2nd ed. 2009. Berkeley, CA: Apress : Imprint: Apress, 2009.

MLA (8th ed.) Citation

Cooper, Peter. Beginning Ruby: From Novice to Professional. 2nd ed. 2009. Apress : Imprint: Apress, 2009.

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