APA (7th ed.) Citation

Thorbahn, P. F. (1979). The precolonial ivory trade of East Africa: Reconstruction of a human-elephant ecosystem. [publisher not identified].

Chicago Style (17th ed.) Citation

Thorbahn, Peter Frederic. The Precolonial Ivory Trade of East Africa: Reconstruction of a Human-elephant Ecosystem. [Place of publication not identified]: [publisher not identified], 1979.

MLA (9th ed.) Citation

Thorbahn, Peter Frederic. The Precolonial Ivory Trade of East Africa: Reconstruction of a Human-elephant Ecosystem. [publisher not identified], 1979.