Citazione Stile APA (7a Edizione)

Miller, T. G., & Spoolman, S. E. (2017). Environmental science: Sustaining your world. National Geographic Learning/ Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Miller, Tyler G., e Scott E. Spoolman. Environmental Science: Sustaining Your World. Chicago, IL: National Geographic Learning/ Cengage Learning, 2017.

Citatione MLA (9a ed.)

Miller, Tyler G., e Scott E. Spoolman. Environmental Science: Sustaining Your World. National Geographic Learning/ Cengage Learning, 2017.