Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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