APA (7th ed.) Zitazioa
Souter, G. (2012). Edward Hopper: Light and dark. Parkstone International.
Chicago Style (17th ed.) Zitazioa
Souter, Gerry. Edward Hopper: Light and Dark. New York: Parkstone International, 2012.
MLA (9th ed.) Zitazioa
Souter, Gerry. Edward Hopper: Light and Dark. Parkstone International, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.