Cita APA (7th ed.)

Simpson, G. G. (1949). The meaning of evolution: A study of the history of life and of its significance for man. Yale University Press.

Cita Chicago (17th ed.)

Simpson, George Gaylord. The Meaning of Evolution: A Study of the History of Life and of Its Significance for Man. New Haven: Yale University Press, 1949.

Cita MLA (9th ed.)

Simpson, George Gaylord. The Meaning of Evolution: A Study of the History of Life and of Its Significance for Man. Yale University Press, 1949.