APA (7th ed.) Zitazioa
(1939). In the Shadow of History. University of North Texas Press.
Chicago Style (17th ed.) Zitazioa
In the Shadow of History. [s.l.]: University of North Texas Press, 1939.
MLA (9th ed.) Zitazioa
In the Shadow of History. University of North Texas Press, 1939.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.