Simpson, G. G. (1949). The Meaning of Evolution. New Haven: Yale University.
Chicago Style aipamenaSimpson, George Gaylord. The Meaning of Evolution. New Haven: Yale University, 1949.
MLA aipamenaSimpson, George Gaylord. The Meaning of Evolution. New Haven: Yale University, 1949.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.