APA (7th ed.) Citation
Botkin, D. B., & Keller, E. A. (2012). Environmental science: International student version (8th ed.). John Wiley & Sons.
Chicago Style (17th ed.) Citation
Botkin, Daniel B., and Edward A. Keller. Environmental Science: International Student Version. 8th ed. New Delhi: John Wiley & Sons, 2012.
MLA (9th ed.) Citation
Botkin, Daniel B., and Edward A. Keller. Environmental Science: International Student Version. 8th ed. John Wiley & Sons, 2012.
Warning: These citations may not always be 100% accurate.