APA (7th ed.) Citation

Olmsted, F. L., & Wish, H. (1959). The slave States, before the Civil War. Capricorn Books.

Chicago Style (17th ed.) Citation

Olmsted, Frederick Law, and Harvey Wish. The Slave States, Before the Civil War. New York: Capricorn Books, 1959.

MLA (8th ed.) Citation

Olmsted, Frederick Law, and Harvey Wish. The Slave States, Before the Civil War. Capricorn Books, 1959.