APA (7th ed.) Citation
Clark, G. (1961). World prehistory: An outline. University Press.
Chicago Style (17th ed.) Citation
Clark, Grahame. World Prehistory: An Outline. Cambridge: University Press, 1961.
MLA (9th ed.) Citation
Clark, Grahame. World Prehistory: An Outline. University Press, 1961.
Warning: These citations may not always be 100% accurate.