APA (7th ed.) Citation

Huxley, T. H. (1894). Evolution and ethics: And other essays. Macmillan.

Chicago Style (17th ed.) Citation

Huxley, Thomas Henry. Evolution and Ethics: And Other Essays. New York: Macmillan, 1894.

MLA (8th ed.) Citation

Huxley, Thomas Henry. Evolution and Ethics: And Other Essays. Macmillan, 1894.