Cita APA (7th ed.)

Sheriff, A. (1990). Slaves, spices and ivory in Zanzibar. Tanzania publ..

Cita Chicago (17th ed.)

Sheriff, Abdul. Slaves, Spices and Ivory in Zanzibar. Tanzania: Tanzania publ., 1990.

Cita MLA (9th ed.)

Sheriff, Abdul. Slaves, Spices and Ivory in Zanzibar. Tanzania publ., 1990.