APA (7th ed.) Citation

Kass, L. (1985). Toward a more natural science: Biology and human affairs. Free Pr.

Chicago Style (17th ed.) Citation

Kass, Leon. Toward a More Natural Science: Biology and Human Affairs. New York: Free Pr, 1985.

MLA (9th ed.) Citation

Kass, Leon. Toward a More Natural Science: Biology and Human Affairs. Free Pr, 1985.

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