APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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