APA (7e ed.) Bronvermelding

Cohen, J. M., & Cohen, M. J. (1960). The Penguin dictionary of quotations. Penguin Books.

Chicago (17e ed.) Bronvermelding

Cohen, John Michael, en Mark J. Cohen. The Penguin Dictionary of Quotations. Baltimore: Penguin Books, 1960.

MLA (9e ed.) Bronvermelding

Cohen, John Michael, en Mark J. Cohen. The Penguin Dictionary of Quotations. Penguin Books, 1960.