APA (7th ed.) Citation

Humphrey, R. L. (1974). Scientific ethic dual life value: Theory & ramifications ([1st ed.].). Grossmont Press.

Chicago Style (17th ed.) Citation

Humphrey, Robert L. Scientific Ethic Dual Life Value: Theory & Ramifications. [1st ed.]. San Diego, Calif.: Grossmont Press, 1974.

MLA (9th ed.) Citation

Humphrey, Robert L. Scientific Ethic Dual Life Value: Theory & Ramifications. [1st ed.]. Grossmont Press, 1974.