APA (7th ed.) Zitazioa

Esperdy. American Autopia. University of Virginia Press.

Chicago Style (17th ed.) Zitazioa

Esperdy. American Autopia. University of Virginia Press.

MLA (9th ed.) Zitazioa

Esperdy. American Autopia. University of Virginia Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.