APA (7th ed.) Citation

Klemperer, O. (1959). Electron physics: The physics of the free electron. Butterworths Scientific Publications.

Chicago Style (17th ed.) Citation

Klemperer, O. Electron Physics: The Physics of the Free Electron. London: Butterworths Scientific Publications, 1959.

MLA (9th ed.) Citation

Klemperer, O. Electron Physics: The Physics of the Free Electron. Butterworths Scientific Publications, 1959.