APA (7th ed.) Citation

Melancon, B., Micka, A., Scavarda, A., Doherty, B., Somers, B., Rodriguez, J., . . . Freudenberg, S. (2011). The Definitive Guide to Drupal 7 (1st ed. 2011.). Apress : Imprint: Apress.

Chicago Style (17th ed.) Citation

Melancon, Benjamin, et al. The Definitive Guide to Drupal 7. 1st ed. 2011. Berkeley, CA: Apress : Imprint: Apress, 2011.

MLA (8th ed.) Citation

Melancon, Benjamin, et al. The Definitive Guide to Drupal 7. 1st ed. 2011. Apress : Imprint: Apress, 2011.