Cita APA (7a ed.)

Queen, E. (1956). The american guin mystery. Penguin.

Cita Chicago Style (17a ed.)

Queen, Ellery. The American Guin Mystery. [Lloc de publicació no identificat]: Penguin, 1956.

Cita MLA (9a ed.)

Queen, Ellery. The American Guin Mystery. Penguin, 1956.