FIRTH. (1985). WHEN it happened: A question-and-answer book about world history. London: Kingfisher.
Chicago Style CitationFIRTH. WHEN It Happened: A Question-and-answer Book About World History. London: Kingfisher, 1985.
MLA CitationFIRTH. WHEN It Happened: A Question-and-answer Book About World History. London: Kingfisher, 1985.
Warning: These citations may not always be 100% accurate.