Style de citation APA (7e éd.)

Weston, G. M. (1857). The progress of slavery in the United States. The Author.

Style de citation Chicago (17e éd.)

Weston, George M. The Progress of Slavery in the United States. Washington, D.C.: The Author, 1857.

Style de citation MLA (8e éd.)

Weston, George M. The Progress of Slavery in the United States. The Author, 1857.