Citação APA (7ª ed.)
Robertson, J. G., & Fitzgerald, B. (2013). Drupal for education and e-learning: Create web-based, content-rich tools for teaching and learning (2nd ed.). Packt Pub..
Citação do estilo Chicago (17ª ed.)
Robertson, James G., e Bill Fitzgerald. Drupal for Education and E-learning: Create Web-based, Content-rich Tools for Teaching and Learning. 2nd ed. Birmingham: Packt Pub., 2013.
Citação MLA (9ª ed.)
Robertson, James G., e Bill Fitzgerald. Drupal for Education and E-learning: Create Web-based, Content-rich Tools for Teaching and Learning. 2nd ed. Packt Pub., 2013.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.