Cita APA (7a ed.)

Smith, G., & Ledbrook, P. (2014). Grails in action (Second edition.). Manning.

Cita Chicago Style (17a ed.)

Smith, Glen, y Peter Ledbrook. Grails in Action. Second edition. Shelter Island, New York: Manning, 2014.

Cita MLA (9a ed.)

Smith, Glen, y Peter Ledbrook. Grails in Action. Second edition. Manning, 2014.