APA (7th ed.) Citation

Clarke, R., & Hindley, G. (1975). The challenge of the primitives. Cape.

Chicago Style (17th ed.) Citation

Clarke, Robin, and Geoffrey Hindley. The Challenge of the Primitives. London: Cape, 1975.

MLA (8th ed.) Citation

Clarke, Robin, and Geoffrey Hindley. The Challenge of the Primitives. Cape, 1975.