APA (7th ed.) Zitazioa
Paddock, J. New findings on the origin of races.
Chicago Style (17th ed.) Zitazioa
Paddock, John. New Findings on the Origin of Races.
MLA (9th ed.) Zitazioa
Paddock, John. New Findings on the Origin of Races.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.