APA (7th ed.) Citation

Friend to commerce and humanity. (1791). Thoughts on civilization and the gradual abolition of slavery in Africa and the West Indies (2nd ed.). Printed for J. Sewell and J. Johnson.

Chicago Style (17th ed.) Citation

Friend to commerce and humanity. Thoughts on Civilization and the Gradual Abolition of Slavery in Africa and the West Indies. 2nd ed. S.l: Printed for J. Sewell and J. Johnson, 1791.

MLA (9th ed.) Citation

Friend to commerce and humanity. Thoughts on Civilization and the Gradual Abolition of Slavery in Africa and the West Indies. 2nd ed. Printed for J. Sewell and J. Johnson, 1791.

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