APA način citiranja (7. izdanje)
Shreves, R. (2008). Drupal 6 themes: Create a new theme for your Drupal 6 site with a clean layout and powerful CSS styling. Packt Publishing.
Čikaški stil citiranja (17. izdanje)
Shreves, Ric. Drupal 6 Themes: Create a New Theme for Your Drupal 6 Site with a Clean Layout and Powerful CSS Styling. Birmingham, U.K.: Packt Publishing, 2008.
MLA način citiranja (9. izdanje)
Shreves, Ric. Drupal 6 Themes: Create a New Theme for Your Drupal 6 Site with a Clean Layout and Powerful CSS Styling. Packt Publishing, 2008.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.