APA (7th ed.) Citation

Hughes, A. F. W. (1982). The American biologist through four centuries. Thomas.

Chicago Style (17th ed.) Citation

Hughes, Arthur Frederick William. The American Biologist Through Four Centuries. Springfield, Ill: Thomas, 1982.

MLA (9th ed.) Citation

Hughes, Arthur Frederick William. The American Biologist Through Four Centuries. Thomas, 1982.