APA Edition Citation

Ashworth, W. A., & Little, C. E. A. (2008). Encyclopedia of environmental studies.

Chicago Edition Citation

Ashworth, William; Author, and Charles E; Author Little. Encyclopedia of Environmental Studies. New Delhi, Viva Books Private Ltd, 2008.

MLA Edition Citation

Ashworth, William; Author, and Charles E; Author Little. Encyclopedia of Environmental Studies. 2008.