Cita APA

Childe ,Gordon. (1982). What happened in History. Penguine Books.

Citación estilo Chicago

Childe ,Gordon. What Happened in History. Penguine Books: Penguine Books, 1982.

Cita MLA

Childe ,Gordon. What Happened in History. Penguine Books, 1982.

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