APA (7th ed.) Citation

Smith, R. L., & Smith, T. M. . [. (2001). Ecology & field biology (6th ed.). Benjamin Cummings.

Chicago Style (17th ed.) Citation

Smith, Robert Leo, and T. M. [ Smith. Ecology & Field Biology. 6th ed. San Francisco: Benjamin Cummings, 2001.

MLA (9th ed.) Citation

Smith, Robert Leo, and T. M. [ Smith. Ecology & Field Biology. 6th ed. Benjamin Cummings, 2001.