Cita APA

Miller, G., & Spoolman, S. E. (2010). Environmental science (13th ed.). Brooks/Cole.

Chicago Edition Citation

Miller, G.Tyler, i Scott E. Spoolman. Environmental Science. 13th ed. Belmont: Brooks/Cole, 2010.

Cita MLA

Miller, G.Tyler, i Scott E. Spoolman. Environmental Science. 13th ed. Brooks/Cole, 2010.