Cita APA (7th ed.)

Benton, A. H., & Werner, W. E. (1974). Field biology and ecology (3rd ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Benton, Allen H., i William E. Werner. Field Biology and Ecology. 3rd ed. New York: McGraw-Hill, 1974.

Cita MLA (9th ed.)

Benton, Allen H., i William E. Werner. Field Biology and Ecology. 3rd ed. McGraw-Hill, 1974.