Cita APA (7a ed.)

Cather, W. (1931). Shadows on the rock. Alfred A. Knopf.

Cita Chicago Style (17a ed.)

Cather, Willa. Shadows on the Rock. New York: Alfred A. Knopf, 1931.

Cita MLA (9a ed.)

Cather, Willa. Shadows on the Rock. Alfred A. Knopf, 1931.