Citazione Stile APA (7a Edizione)

Myers, N., & Spoolman, S. (2014). Environmental issues and solutions: A modular approach. Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Myers, Norman, e Scott Spoolman. Environmental Issues and Solutions: A Modular Approach. California: Cengage Learning, 2014.

Citatione MLA (9a ed.)

Myers, Norman, e Scott Spoolman. Environmental Issues and Solutions: A Modular Approach. Cengage Learning, 2014.