Cita APA (7a ed.)
Mercer, D. (2010). Drupal 7: Create and operate any type of website quickly and efficiently (2nd ed.). Packt Pub..
Cita Chicago Style (17a ed.)
Mercer, David. Drupal 7: Create and Operate Any Type of Website Quickly and Efficiently. 2nd ed. Birmingham [U.K.]: Packt Pub., 2010.
Cita MLA (9a ed.)
Mercer, David. Drupal 7: Create and Operate Any Type of Website Quickly and Efficiently. 2nd ed. Packt Pub., 2010.
Precaución: Estas citas no son 100% exactas.