APA način citiranja (7. izdanje)

Eyo, E., Held, A., & Held, U. (1977). Two thousand years, nigerian art. Federal Dept. of Antiquities.

Čikaški stil citiranja (17. izdanje)

Eyo, Ekpo, Andr Held, i Ursula Held. Two Thousand Years, Nigerian Art. Lagos: Federal Dept. of Antiquities, 1977.

MLA način citiranja (9. izdanje)

Eyo, Ekpo, et al. Two Thousand Years, Nigerian Art. Federal Dept. of Antiquities, 1977.