Cita APA (7a ed.)

Townsend, R. J., & Pakrul, S. (2010). Foundation Drupal 7 (1st ed. 2010.). friends of ED : Distributed to the book trade worldwide by Springer Science+Business Media.

Cita Chicago Style (17a ed.)

Townsend, Robert J., y Stephanie Pakrul. Foundation Drupal 7. 1st ed. 2010. [New York]: friends of ED : Distributed to the book trade worldwide by Springer Science+Business Media, 2010.

Cita MLA (9a ed.)

Townsend, Robert J., y Stephanie Pakrul. Foundation Drupal 7. 1st ed. 2010. friends of ED : Distributed to the book trade worldwide by Springer Science+Business Media, 2010.