APA aipamena

Sheen, F. J. (1952). Crisis in History. St. Paul, Minn..

Chicago Style aipamena

Sheen, Fulton J. Crisis in History. St. Paul, Minn., 1952.

MLA aipamena

Sheen, Fulton J. Crisis in History. St. Paul, Minn., 1952.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.