APA (7th ed.) Citation

Condon, E. U., & Shortley, G. H. (1979). The theory of atomic spectra. Cambridge University Press.

Chicago Style (17th ed.) Citation

Condon, E. U., and G. H. Shortley. The Theory of Atomic Spectra. Cambridge: Cambridge University Press, 1979.

MLA (9th ed.) Citation

Condon, E. U., and G. H. Shortley. The Theory of Atomic Spectra. Cambridge University Press, 1979.