APA (7th ed.) Citation

Cather, W. (1970). Not under forty. Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Cather, Willa. Not Under Forty. New York: Alfred A. Knopf, 1970.

MLA (9th ed.) Citation

Cather, Willa. Not Under Forty. Alfred A. Knopf, 1970.

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