Cita APA

Needham, J. G. 1., & Needham, P. R. 1. (1962). A guide to the study of fresh-water biology (5. edition rev. and enl.). San Francisco: Holden Day.

Citación estilo Chicago

Needham, James George 1868-1956, y Paul Robert 1902-1964 Needham. A Guide to the Study of Fresh-water Biology. 5. edition rev. and enl. San Francisco: Holden Day, 1962.

Cita MLA

Needham, James George 1868-1956, y Paul Robert 1902-1964 Needham. A Guide to the Study of Fresh-water Biology. 5. edition rev. and enl. San Francisco: Holden Day, 1962.