APA (7th ed.) Citation

Butcher, M. (2012). Drupal 7 multi-sites configuration: Run multiple website from a single instance of Drupal 7. Packt Pub./Open Source.

Chicago Style (17th ed.) Citation

Butcher, Matt. Drupal 7 Multi-sites Configuration: Run Multiple Website from a Single Instance of Drupal 7. Birmingham, UK: Packt Pub./Open Source, 2012.

MLA (9th ed.) Citation

Butcher, Matt. Drupal 7 Multi-sites Configuration: Run Multiple Website from a Single Instance of Drupal 7. Packt Pub./Open Source, 2012.