APA (7th ed.) Citation

Gamble, A., Carneiro, C., & Barazi, R. A. (2013). Beginning rails 4. Apress Imprint: Apress.

Chicago Style (17th ed.) Citation

Gamble, Adam, Cloves Carneiro, and Rida Al Barazi. Beginning Rails 4. Berkeley, CA: Apress Imprint: Apress, 2013.

MLA (8th ed.) Citation

Gamble, Adam, et al. Beginning Rails 4. Apress Imprint: Apress, 2013.