APA (7th ed.) Citation

Williams, W. S. C. (1961). An introduction to elementary particles. Academic Press.

Chicago Style (17th ed.) Citation

Williams, W. S. C. An Introduction to Elementary Particles. New York: Academic Press, 1961.

MLA (9th ed.) Citation

Williams, W. S. C. An Introduction to Elementary Particles. Academic Press, 1961.

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