APA (7th ed.) Zitazioa
Seamands, J. T. (1988). Harvest of humanity. Victor Books.
Chicago Style (17th ed.) Zitazioa
Seamands, John T. Harvest of Humanity. Wheaton, IL: Victor Books, 1988.
MLA (9th ed.) Zitazioa
Seamands, John T. Harvest of Humanity. Victor Books, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.