Cita APA (7a ed.)

Cohen, J. M., & Cohen, M. J. (1980). The Penguin dictionary of modern quotations (2nd ed.). Penguin Books.

Cita Chicago Style (17a ed.)

Cohen, John Michael, y Mark Julian Cohen. The Penguin Dictionary of Modern Quotations. 2nd ed. London: Penguin Books, 1980.

Cita MLA (9a ed.)

Cohen, John Michael, y Mark Julian Cohen. The Penguin Dictionary of Modern Quotations. 2nd ed. Penguin Books, 1980.