APA

Crystal D., . (2005). The penguin pocket dictionary of quotations. : Penguin books.

Chicago

Crystal David, . 2005. The penguin pocket dictionary of quotations. : Penguin books.

Harvard

Crystal D., . (2005). The penguin pocket dictionary of quotations. : Penguin books.

MLA

Crystal David, . The penguin pocket dictionary of quotations. : Penguin books. 2005.