APA (7e ed.) Bronvermelding

Smith, R. L. (1995). Ecology and field biology (5th ed.). Harper Collins.

Chicago (17e ed.) Bronvermelding

Smith, Robert Leo. Ecology and Field Biology. 5th ed. New York: Harper Collins, 1995.

MLA (9e ed.) Bronvermelding

Smith, Robert Leo. Ecology and Field Biology. 5th ed. Harper Collins, 1995.