APA (7th ed.) Citation

(1849). Free trade in Negroes. J. Ollivier.

Chicago Style (17th ed.) Citation

Free Trade in Negroes. London: J. Ollivier, 1849.

MLA (9th ed.) Citation

Free Trade in Negroes. J. Ollivier, 1849.

Warning: These citations may not always be 100% accurate.