APA (7th ed.) Zitazioa
Dregni, E. (2011). Vikings in the attic: In search of Nordic America. University of Minnesota Press.
Chicago Style (17th ed.) Zitazioa
Dregni, Eric. Vikings in the Attic: In Search of Nordic America. Minneapolis: University of Minnesota Press, 2011.
MLA (9th ed.) Zitazioa
Dregni, Eric. Vikings in the Attic: In Search of Nordic America. University of Minnesota Press, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.