APA (7th ed.) Citation

Cather, W., & Dwiggins, W. A. (1940). Sapphira and the slave girl (First edition.). Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Cather, Willa, and W. A. Dwiggins. Sapphira and the Slave Girl. First edition. New York: Alfred A. Knopf, 1940.

MLA (9th ed.) Citation

Cather, Willa, and W. A. Dwiggins. Sapphira and the Slave Girl. First edition. Alfred A. Knopf, 1940.