APA (7th ed.) Citation

Lucas, J. M. (1941). Man's first million years. Harcourt, Brace.

Chicago Style (17th ed.) Citation

Lucas, Jannette May. Man's First Million Years. New York: Harcourt, Brace, 1941.

MLA (9th ed.) Citation

Lucas, Jannette May. Man's First Million Years. Harcourt, Brace, 1941.

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