APA (7th ed.) Citation

Humphreys, R. F., & Beringer, R. (1948). First principles of atomic physics. Yale Univ..

Chicago Style (17th ed.) Citation

Humphreys, Richard F., and Robert Beringer. First Principles of Atomic Physics. New Haven: Yale Univ., 1948.

MLA (9th ed.) Citation

Humphreys, Richard F., and Robert Beringer. First Principles of Atomic Physics. Yale Univ., 1948.