Citazione Stile APA (7a Edizione)

Needham, J., & Needham, P. (1962). A Guide to the study of fresh-water biology (5th ed., rev. and enlarged.). Holden-Day.

Citazione stile Chigago Style (17a edizione)

Needham, James, e Paul Needham. A Guide to the Study of Fresh-water Biology. 5th ed., rev. and enlarged. San Francisco: Holden-Day, 1962.

Citatione MLA (9a ed.)

Needham, James, e Paul Needham. A Guide to the Study of Fresh-water Biology. 5th ed., rev. and enlarged. Holden-Day, 1962.