Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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