APA (7th ed.) Citation

Chirgwin, B. H., Plumpton, C., & Kilmister, C. W. (1973). Elementary electromagnetic theory. Pergamon.

Chicago Style (17th ed.) Citation

Chirgwin, Brian H., C. Plumpton, and Clive William Kilmister. Elementary Electromagnetic Theory. Oxford: Pergamon, 1973.

MLA (9th ed.) Citation

Chirgwin, Brian H., et al. Elementary Electromagnetic Theory. Pergamon, 1973.