Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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