APA (7th ed.) Citation

Duignan, P., & Clendenen, C. C. (1978). The United States and the African slave trade, 1619-1862. Greenwood Press.

Chicago Style (17th ed.) Citation

Duignan, Peter, and Clarence C. Clendenen. The United States and the African Slave Trade, 1619-1862. Westport, Connecticut: Greenwood Press, 1978.

MLA (9th ed.) Citation

Duignan, Peter, and Clarence C. Clendenen. The United States and the African Slave Trade, 1619-1862. Greenwood Press, 1978.