APA (7th ed.) Citation

Watson, W. H. (1938). On understanding physics. Univ. Press.

Chicago Style (17th ed.) Citation

Watson, W. H. On Understanding Physics. Cambridge: Univ. Press, 1938.

MLA (9th ed.) Citation

Watson, W. H. On Understanding Physics. Univ. Press, 1938.

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