Gaya APA

Clark, R, L, G, B, P. (1982). A Dictionary Of Ecology, Evolution and systematics . New York: Cambridge Univeriaty Press.

Gaya MLA

Clark, R.j., Lincoln, G.A, Boxshall, P.F.. "A Dictionary Of Ecology, Evolution and systematics". New York: Cambridge Univeriaty Press, 1982. Text.