Cita APA (7a ed.)

Carr, J. D. (1972). The unicorn murders. Tom Stacey Reprints Ltd.

Cita Chicago Style (17a ed.)

Carr, John Dickson. The Unicorn Murders. London (28 Maiden La., WC2E 7JP): Tom Stacey Reprints Ltd, 1972.

Cita MLA (8a ed.)

Carr, John Dickson. The Unicorn Murders. Tom Stacey Reprints Ltd, 1972.