Cita APA (7th ed.)

Black, D. A. (2006). Ruby for Rails: Ruby techniques for Rails developers. Manning Publications.

Cita Chicago (17th ed.)

Black, David A. Ruby for Rails: Ruby Techniques for Rails Developers. Greenwich, CT: Manning Publications, 2006.

Cita MLA (9th ed.)

Black, David A. Ruby for Rails: Ruby Techniques for Rails Developers. Manning Publications, 2006.