APA (7th ed.) Citation

Benezet, A. (1781). Notes on the slave trade, &c. [publisher not identified].

Chicago Style (17th ed.) Citation

Benezet, Anthony. Notes on the Slave Trade, &c. [Philadelphia?]: [publisher not identified], 1781.

MLA (9th ed.) Citation

Benezet, Anthony. Notes on the Slave Trade, &c. [publisher not identified], 1781.