APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (8th ed.) Atıf

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