Cita APA (7a ed.)

Davies, R. (1986). What's bred in the bone. Penguin.

Cita Chicago Style (17a ed.)

Davies, Robertson. What's Bred in the Bone. New York [etc.]: Penguin, 1986.

Cita MLA (9a ed.)

Davies, Robertson. What's Bred in the Bone. Penguin, 1986.