APA (7th ed.) Citation

Watson, W. H. (1959). On understanding physics. Harper Torchbooks.

Chicago Style (17th ed.) Citation

Watson, W. H. On Understanding Physics. New York: Harper Torchbooks, 1959.

MLA (9th ed.) Citation

Watson, W. H. On Understanding Physics. Harper Torchbooks, 1959.

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