Cita APA (7th ed.)

Fletcher, C. M. (1965). Common sense about smoking (2nd ed.). Penguin.

Cita Chicago (17th ed.)

Fletcher, C. M. Common Sense About Smoking. 2nd ed. Harmondsworth: Penguin, 1965.

Cita MLA (8th ed.)

Fletcher, C. M. Common Sense About Smoking. 2nd ed. Penguin, 1965.