Cita APA (7th ed.)

Cohen, J. (1968). The Penguin dictionary of quotations. Penguin.

Cita Chicago (17th ed.)

Cohen, J.M. The Penguin Dictionary of Quotations. Harmondsworth: Penguin, 1968.

Cita MLA (9th ed.)

Cohen, J.M. The Penguin Dictionary of Quotations. Penguin, 1968.