APA (7th ed.) Citation

Steffen, K. G. (1965). High energy beam optics. Interscience Publishers.

Chicago Style (17th ed.) Citation

Steffen, Klaus G. High Energy Beam Optics. New York: Interscience Publishers, 1965.

MLA (9th ed.) Citation

Steffen, Klaus G. High Energy Beam Optics. Interscience Publishers, 1965.