Cita APA (7th ed.)

Crane, F. (1956). Horror on the Ruby X: A Pat Abbott mystery. Hammond, Hammond.

Cita Chicago (17th ed.)

Crane, Frances. Horror on the Ruby X: A Pat Abbott Mystery. London: Hammond, Hammond, 1956.

Cita MLA (8th ed.)

Crane, Frances. Horror on the Ruby X: A Pat Abbott Mystery. Hammond, Hammond, 1956.