APA (7th ed.) Citation

Knight, B. H., & Knight, R. G. (1939). Builders' materials. Arnold.

Chicago Style (17th ed.) Citation

Knight, Bernard H., and R. G. Knight. Builders' Materials. London: Arnold, 1939.

MLA (8th ed.) Citation

Knight, Bernard H., and R. G. Knight. Builders' Materials. Arnold, 1939.

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