Cohen, J., & Cohen, M. (1972). The Penguin Dictonary of Modern Quotations (2. Aufl.). Penguin Books.
Chicago Style (17th ed.) CitationCohen, J.M, and M.J Cohen. The Penguin Dictonary of Modern Quotations. 2. Aufl. Harmondsworth: Penguin Books, 1972.
MLA (8th ed.) CitationCohen, J.M, and M.J Cohen. The Penguin Dictonary of Modern Quotations. 2. Aufl. Penguin Books, 1972.
Warning: These citations may not always be 100% accurate.