Cita APA (7th ed.)

Snow, C. P. (1968). The sleep of reason. Macmillan.

Cita Chicago (17th ed.)

Snow, C. P. The Sleep of Reason. [London]: Macmillan, 1968.

Cita MLA (9th ed.)

Snow, C. P. The Sleep of Reason. Macmillan, 1968.