Cita APA

Childe, G. (1954). What happened in history (2.). Penguin.

Citación estilo Chicago

Childe, Gordon. What Happened in History. 2. England: Penguin, 1954.

Cita MLA

Childe, Gordon. What Happened in History. 2. Penguin, 1954.

Warning: These citations may not always be 100% accurate.