APA (7th ed.) Citation

Knight, B. H., & Knight, R. G. (1955). Builders' materials (3rd ed.). Arnold.

Chicago Style (17th ed.) Citation

Knight, Bernard H., and R. G. Knight. Builders' Materials. 3rd ed. London: Arnold, 1955.

MLA (8th ed.) Citation

Knight, Bernard H., and R. G. Knight. Builders' Materials. 3rd ed. Arnold, 1955.