APA (7th ed.) Zitazioa

Ward, H. (1927). Charles Darwin and the theory of evolution. New Home Library.

Chicago Style (17th ed.) Zitazioa

Ward, Henshaw. Charles Darwin and the Theory of Evolution. New York: New Home Library, 1927.

MLA (9th ed.) Zitazioa

Ward, Henshaw. Charles Darwin and the Theory of Evolution. New Home Library, 1927.