APA (7th ed.) Zitazioa
Keller, E. F. (2002). The century of the gene. Harvard University Press.
Chicago Style (17th ed.) Zitazioa
Keller, Evelyn Fox. The Century of the Gene. Cambridge, Mass.: Harvard University Press, 2002.
MLA (9th ed.) Zitazioa
Keller, Evelyn Fox. The Century of the Gene. Harvard University Press, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.