Cita APA (7th ed.)
Isert, P. E., & Winsnes, S. A. (2007). Letters on West Africa and the slave trade: Paul Erdmann Isert's journey to Guinea and the Carribean islands in Columbia (1788). Sub-Saharan Publishers.
Cita Chicago (17th ed.)
Isert, Paul Erdmann, i Selena Axelrod Winsnes. Letters on West Africa and the Slave Trade: Paul Erdmann Isert's Journey to Guinea and the Carribean Islands in Columbia (1788). Legon, Accra, Ghana: Sub-Saharan Publishers, 2007.
Cita MLA (9th ed.)
Isert, Paul Erdmann, i Selena Axelrod Winsnes. Letters on West Africa and the Slave Trade: Paul Erdmann Isert's Journey to Guinea and the Carribean Islands in Columbia (1788). Sub-Saharan Publishers, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.