Cita APA (7a ed.)

Gardner, E. S. (1972). The case of the spurius spinster (5.). Pocket Books.

Cita Chicago Style (17a ed.)

Gardner, Erle Stanley. The Case of the Spurius Spinster. 5. New York, Estados Unidos: Pocket Books, 1972.

Cita MLA (9a ed.)

Gardner, Erle Stanley. The Case of the Spurius Spinster. 5. Pocket Books, 1972.