APA (7th ed.) Citation

Cowan, R. D. (1981). The theory of atomic structure and spectra. University of California Press.

Chicago Style (17th ed.) Citation

Cowan, Robert Duane. The Theory of Atomic Structure and Spectra. Berkeley: University of California Press, 1981.

MLA (9th ed.) Citation

Cowan, Robert Duane. The Theory of Atomic Structure and Spectra. University of California Press, 1981.