Citazione Stile APA (7a Edizione)

Simpson, G. G. (1967). The meaning of evolution: A study of the history of life and of its significance for man (Rev. ed.). Yale University Press.

Citazione stile Chigago Style (17a edizione)

Simpson, George Gaylord. The Meaning of Evolution: A Study of the History of Life and of Its Significance for Man. Rev. ed. New Haven: Yale University Press, 1967.

Citatione MLA (9a ed.)

Simpson, George Gaylord. The Meaning of Evolution: A Study of the History of Life and of Its Significance for Man. Rev. ed. Yale University Press, 1967.