Needham, P. R., & Needham, J. G. (1962). A Guide to the Study of Fresh-Water Biology (quinta edición.). McGraw-Hill Companies.
Chicago Style (17th ed.) CitationNeedham, Paul R., and James G. Needham. A Guide to the Study of Fresh-Water Biology. quinta edición. Boston, Massachusetts: McGraw-Hill Companies, 1962.
MLA (9th ed.) CitationNeedham, Paul R., and James G. Needham. A Guide to the Study of Fresh-Water Biology. quinta edición. McGraw-Hill Companies, 1962.
Warning: These citations may not always be 100% accurate.