Childe, V. G. (1954). What happened in history / by G. Childe (Rev.ed.). Penguin.
Chicago Style (17th ed.) CitationChilde, V. G. What Happened in History / by G. Childe. Rev.ed. Penguin, 1954.
MLA (9th ed.) CitationChilde, V. G. What Happened in History / by G. Childe. Rev.ed. Penguin, 1954.
Warning: These citations may not always be 100% accurate.