APA (7th ed.) Citation

Ricky, R. (1971). The Sign of the ivory Horn: Eastern African Cililization. Oceana Publication.

Chicago Style (17th ed.) Citation

Ricky, Rosenthal. The Sign of the Ivory Horn: Eastern African Cililization. New York: Oceana Publication, 1971.

MLA (9th ed.) Citation

Ricky, Rosenthal. The Sign of the Ivory Horn: Eastern African Cililization. Oceana Publication, 1971.

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