APA (7th ed.) Citation

(1820). Slavery and the slave trade in the District of Columbia. [publisher not identified].

Chicago Style (17th ed.) Citation

Slavery and the Slave Trade in the District of Columbia. [Washington, D.C?]: [publisher not identified], 1820.

MLA (9th ed.) Citation

Slavery and the Slave Trade in the District of Columbia. [publisher not identified], 1820.