Cita APA (7a ed.)

Jones, P. J. (2015). Effective Ruby: 48 specific ways to write better Ruby. Addison-Wesley.

Cita Chicago Style (17a ed.)

Jones, Peter J. Effective Ruby: 48 Specific Ways to Write Better Ruby. Upper Saddle River, NJ: Addison-Wesley, 2015.

Cita MLA (8a ed.)

Jones, Peter J. Effective Ruby: 48 Specific Ways to Write Better Ruby. Addison-Wesley, 2015.