Cita APA (7a ed.)

Rinehart, M. R. (1942). The circular staircase (9a. ed.). Pocket Books.

Cita Chicago Style (17a ed.)

Rinehart, Mary Roberts. The Circular Staircase. 9a. ed. New York: Pocket Books, 1942.

Cita MLA (8a ed.)

Rinehart, Mary Roberts. The Circular Staircase. 9a. ed. Pocket Books, 1942.