APA ציטוט

Keith, A. (1947). Evolution and ethics. New York: G.P. Putnam's Sons.

Chicago Style (17th ed.) Citation

Keith, Arhur. Evolution and Ethics. New York: G.P. Putnam's Sons, 1947.

ציטוט MLA

Keith, Arhur. Evolution and Ethics. New York: G.P. Putnam's Sons, 1947.