APA Citation

Gregory, K. J. (2009). Environmental sciences: A student's companion. Los Angeles: SAGE.

Chicago Style Citation

Gregory, K. J. Environmental Sciences: A Student's Companion. Los Angeles: SAGE, 2009.

MLA Citation

Gregory, K. J. Environmental Sciences: A Student's Companion. Los Angeles: SAGE, 2009.

Warning: These citations may not always be 100% accurate.