APA (7th ed.) Citation

Corson, E. M. (1950). Perturbation methods in the quantum mechanics of n-electron systems. Hafner.

Chicago Style (17th ed.) Citation

Corson, E. M. Perturbation Methods in the Quantum Mechanics of N-electron Systems. New York: Hafner, 1950.

MLA (9th ed.) Citation

Corson, E. M. Perturbation Methods in the Quantum Mechanics of N-electron Systems. Hafner, 1950.