Citazione Stile APA (7a Edizione)

Adler, I., & Adler, R. (1965). Evolution: The "Reason Why" books. The John Day.

Citazione stile Chigago Style (17a edizione)

Adler, Irving, e Ruth Adler. Evolution: The "Reason Why" Books. New York: The John Day, 1965.

Citatione MLA (9a ed.)

Adler, Irving, e Ruth Adler. Evolution: The "Reason Why" Books. The John Day, 1965.