APA (7th ed.) Citation

Berry, A., & Byron, A. (2012). Using Drupal by Addison Berry, Angela Byron (2nd ed.). O'Reilly.

Chicago Style (17th ed.) Citation

Berry, Addison, and Angela Byron. Using Drupal by Addison Berry, Angela Byron. 2nd ed. Farnham: O'Reilly, 2012.

MLA (9th ed.) Citation

Berry, Addison, and Angela Byron. Using Drupal by Addison Berry, Angela Byron. 2nd ed. O'Reilly, 2012.

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