Cita APA (7th ed.)

Holzner, S. (2007). Beginning Ruby on Rails. Wiley Publishing.

Cita Chicago (17th ed.)

Holzner, Steven. Beginning Ruby on Rails. Indianapolis, IN: Wiley Publishing, 2007.

Cita MLA (9th ed.)

Holzner, Steven. Beginning Ruby on Rails. Wiley Publishing, 2007.