APA (7th ed.) Citation

Clark, G., & Piggott, S. (1990). Prehistoric societies. Penguin Books.

Chicago Style (17th ed.) Citation

Clark, Grahame, and Stuart Piggott. Prehistoric Societies. London: Penguin Books, 1990.

MLA (9th ed.) Citation

Clark, Grahame, and Stuart Piggott. Prehistoric Societies. Penguin Books, 1990.

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