APA (7th ed.) Citation

Kellert. (1997). Macmillan encyclopedia of the environment. Macmillan.

Chicago Style (17th ed.) Citation

Kellert. Macmillan Encyclopedia of the Environment. New York: Macmillan, 1997.

MLA (8th ed.) Citation

Kellert. Macmillan Encyclopedia of the Environment. Macmillan, 1997.

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