APA (7th ed.) Zitazioa
Clayton, A. (1999). Frontiersmen: Warfare in Africa since 1950. UCL Press.
Chicago Style (17th ed.) Zitazioa
Clayton, Anthony. Frontiersmen: Warfare in Africa Since 1950. London: UCL Press, 1999.
MLA (9th ed.) Zitazioa
Clayton, Anthony. Frontiersmen: Warfare in Africa Since 1950. UCL Press, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.