APA (7th ed.) Citation

Ruth, P. (1969). Introduction to field and particle. Butterworths.

Chicago Style (17th ed.) Citation

Ruth, Paul. Introduction to Field and Particle. London: Butterworths, 1969.

MLA (9th ed.) Citation

Ruth, Paul. Introduction to Field and Particle. Butterworths, 1969.

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