APA Citation

Berube, D. (2007). Practical Ruby Gems (1st ed. 2007.). Berkeley, CA: Apress : Imprint: Apress.

Chicago Style Citation

Berube, David. Practical Ruby Gems. 1st ed. 2007. Berkeley, CA: Apress : Imprint: Apress, 2007.

MLA Citation

Berube, David. Practical Ruby Gems. 1st ed. 2007. Berkeley, CA: Apress : Imprint: Apress, 2007.

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