Gaya APA

Kellert, S, R. (1997). Macmillan encyclopedia of the environment vol.5 (vol. 5). New York: Simon & Schuster macmillan.

Gaya MLA

Kellert, Stephen, R. "Macmillan encyclopedia of the environment vol.5". vol. 5 New York: Simon & Schuster macmillan, 1997. ML.