Prehistoric societies

MLA

Clark, Grahame, and Stuart Piggott. Prehistoric Societies. Harmondsworth: Penguin Books, 1965.

APA

Clark, G., & Piggott, S. (1965). Prehistoric societies. Harmondsworth: Penguin Books.

Chicago

Clark, Grahame, and Stuart Piggott. Prehistoric Societies. Harmondsworth: Penguin Books, 1965.