APA (7th ed.) Zitazioa
Kulling, O. (1931). An Account of the localities of the upper Devonian vertebrate finds in East Greenland in 1929. Reitzel.
Chicago Style (17th ed.) Zitazioa
Kulling, Oskar. An Account of the Localities of the Upper Devonian Vertebrate Finds in East Greenland in 1929. København: Reitzel, 1931.
MLA (9th ed.) Zitazioa
Kulling, Oskar. An Account of the Localities of the Upper Devonian Vertebrate Finds in East Greenland in 1929. Reitzel, 1931.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.