APA (7th ed.) Citation

OTTO, J. H., & TOWLE, A. Modern biology. Holt.

Chicago Style (17th ed.) Citation

OTTO, James H., and Albert TOWLE. Modern Biology. New York: Holt.

MLA (9th ed.) Citation

OTTO, James H., and Albert TOWLE. Modern Biology. Holt.

Warning: These citations may not always be 100% accurate.