APA (7th ed.) Citation

Rosenthal. (1971). The sign of the ivory horn: Eastern African civilizations. Oceana Publications.

Chicago Style (17th ed.) Citation

Rosenthal. The Sign of the Ivory Horn: Eastern African Civilizations. Dobbs Ferry, N.Y: Oceana Publications, 1971.

MLA (8th ed.) Citation

Rosenthal. The Sign of the Ivory Horn: Eastern African Civilizations. Oceana Publications, 1971.

Warning: These citations may not always be 100% accurate.