APA (7th ed.) Citation

Cather, W. (1925). The professor's house (8. print.). Knopf.

Chicago Style (17th ed.) Citation

Cather, Willa. The Professor's House. 8. print. New York: Knopf, 1925.

MLA (9th ed.) Citation

Cather, Willa. The Professor's House. 8. print. Knopf, 1925.