Cita APA (7a ed.)

Tomlinson, T., & VanDyk, J. K. (2010). Pro Drupal 7 development (3rd ed.). Apress ; Springer [distributor].

Cita Chicago Style (17a ed.)

Tomlinson, Todd, y John K. VanDyk. Pro Drupal 7 Development. 3rd ed. [Berkeley, CA] : New York, NY: Apress ; Springer [distributor], 2010.

Cita MLA (9a ed.)

Tomlinson, Todd, y John K. VanDyk. Pro Drupal 7 Development. 3rd ed. Apress ; Springer [distributor], 2010.