APA (7e ed.) Bronvermelding

Smith, R. L., & Smith, T. M. (2000). Elements of ecology (4th ed.). Addison Wesley Longman, Inc.

Chicago (17e ed.) Bronvermelding

Smith, Robert Leo, en Thomas M. Smith. Elements of Ecology. 4th ed. New York: Addison Wesley Longman, Inc, 2000.

MLA (9e ed.) Bronvermelding

Smith, Robert Leo, en Thomas M. Smith. Elements of Ecology. 4th ed. Addison Wesley Longman, Inc, 2000.