APA

Barker A., . (1961). The Civil War in America. New York: Anchor Books.

Chicago

Barker Alan, . 1961. The Civil War in America. New York: Anchor Books.

Harvard

Barker A., . (1961). The Civil War in America. New York: Anchor Books.

MLA

Barker Alan, . The Civil War in America. New York: Anchor Books. 1961.