Citazione Stile APA (7a Edizione)

Allen, J. L. (2004). Environment 04/05 (Twenty-third edition.). Mcgraw-Hill/Dushkin.

Citazione stile Chigago Style (17a edizione)

Allen, J. L. Environment 04/05. Twenty-third edition. Dubuque, Iowa: Mcgraw-Hill/Dushkin, 2004.

Citatione MLA (9a ed.)

Allen, J. L. Environment 04/05. Twenty-third edition. Mcgraw-Hill/Dushkin, 2004.