APA (7th ed.) Citation

Finkelman, P. (1989). Free blacks in a slave society. Articles on American slavery.

Chicago Style (17th ed.) Citation

Finkelman, Paul. "Free Blacks in a Slave Society." Articles on American Slavery 1989.

MLA (9th ed.) Citation

Finkelman, Paul. "Free Blacks in a Slave Society." Articles on American Slavery, 1989.

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