APA (7th ed.) Zitazioa

Eyo Ekpo, Bakker Dirk Photographer, Binns, B., Krichbaum Rollyn O., & Willett Frank. (1980). Treasures of ancient nigeria (First edition.). Alfred A. Knopf.

Chicago Style (17th ed.) Zitazioa

Eyo Ekpo, Bakker Dirk Photographer, Betty Binns, Krichbaum Rollyn O., eta Willett Frank. Treasures of Ancient Nigeria. First edition. New York: Alfred A. Knopf, 1980.

MLA (9th ed.) Zitazioa

Eyo Ekpo, et al. Treasures of Ancient Nigeria. First edition. Alfred A. Knopf, 1980.