Cita APA (7th ed.)

Miller, G. T., & Spoolman, S. E. (2013). Environmental science (14th edition.). Cengage Learning.

Cita Chicago (17th ed.)

Miller, G. Tyler, i Scott E. Spoolman. Environmental Science. 14th edition. Andover: Cengage Learning, 2013.

Cita MLA (8th ed.)

Miller, G. Tyler, i Scott E. Spoolman. Environmental Science. 14th edition. Cengage Learning, 2013.

Atenció: Aquestes cites poden no estar 100% correctes.