Citazione Stile APA (7a Edizione)

Simpson, G. G. (1953). The major features of evolution. Columbia University Press.

Citazione stile Chigago Style (17a edizione)

Simpson, George Gaylord. The Major Features of Evolution. New York: Columbia University Press, 1953.

Citatione MLA (9a ed.)

Simpson, George Gaylord. The Major Features of Evolution. Columbia University Press, 1953.