APA (7th ed.) Citation

Cather, W. (1990). The professor's house (6. print.). Vintage Books.

Chicago Style (17th ed.) Citation

Cather, Willa. The Professor's House. 6. print. New York: Vintage Books, 1990.

MLA (9th ed.) Citation

Cather, Willa. The Professor's House. 6. print. Vintage Books, 1990.

Warning: These citations may not always be 100% accurate.