Cita APA (7a ed.)

Griffiths, D. (2008). Head First Rails (1st edition.). O'Reilly Media, Inc.

Cita Chicago Style (17a ed.)

Griffiths, David. Head First Rails. 1st edition. O'Reilly Media, Inc, 2008.

Cita MLA (9a ed.)

Griffiths, David. Head First Rails. 1st edition. O'Reilly Media, Inc, 2008.