Citazione Stile APA (7a Edizione)

Needham, J. G. (1937). “Freshwater Biology (3rd ed.). Comstock Publishing.

Citazione stile Chigago Style (17a edizione)

Needham, James G. “Freshwater Biology. 3rd ed. New York: Comstock Publishing, 1937.

Citatione MLA (9a ed.)

Needham, James G. “Freshwater Biology. 3rd ed. Comstock Publishing, 1937.