APA(7版)引用形式

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

Chicagoスタイル(17版)引用形式

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

MLA(8版)引用形式

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