APA (7th ed.) Zitazioa
Trupin, J. E. (1971). West Africa: A background book from ancient kingdoms to modern times. Parents' Magazine Press.
Chicago Style (17th ed.) Zitazioa
Trupin, James E. West Africa: A Background Book from Ancient Kingdoms to Modern Times. New York: Parents' Magazine Press, 1971.
MLA (9th ed.) Zitazioa
Trupin, James E. West Africa: A Background Book from Ancient Kingdoms to Modern Times. Parents' Magazine Press, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.