Miller, G. T., & Spoolman, S. E. (2013). Environmental science (14th edition.). Cengage Learning.
Citazione stile Chigago Style (17a edizione)Miller, G. Tyler, e Scott E. Spoolman. Environmental Science. 14th edition. Andover: Cengage Learning, 2013.
Citatione MLA (8a ed.)Miller, G. Tyler, e Scott E. Spoolman. Environmental Science. 14th edition. Cengage Learning, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.