APA (7th ed.) Zitazioa

Wheeler, W. M. (1966). Essays in philosophical biology. Russell and Russell.

Chicago Style (17th ed.) Zitazioa

Wheeler, William Morton. Essays in Philosophical Biology. New York: Russell and Russell, 1966.

MLA (9th ed.) Zitazioa

Wheeler, William Morton. Essays in Philosophical Biology. Russell and Russell, 1966.