APA (7th ed.) Citation

VanDyk, J. K., & Westgate, M. (2007). Pro Drupal development. Apress.

Chicago Style (17th ed.) Citation

VanDyk, John K., and Matt Westgate. Pro Drupal Development. [Berkeley, Calif.]: Apress, 2007.

MLA (9th ed.) Citation

VanDyk, John K., and Matt Westgate. Pro Drupal Development. Apress, 2007.

Warning: These citations may not always be 100% accurate.