APA

Howard Bill, Snow Alan, . (1988). The holiday joke book. London: Armada.

Chicago

Howard Bill, Snow Alan, . 1988. The holiday joke book. London: Armada.

Harvard

Howard Bill, Snow Alan, . (1988). The holiday joke book. London: Armada.

MLA

Howard Bill, Snow Alan, . The holiday joke book. London: Armada. 1988.