Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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