APA Edition Citation

Condon, E. U., & Shortley, G. H. (1951). The theory of atomic spectra.

Chicago Edition Citation

Condon, E U., and G H. Shortley. The Theory of Atomic Spectra. Cambridge : CUP, 1951.

MLA Edition Citation

Condon, E U., and G H. Shortley. The Theory of Atomic Spectra. 1951.

Warning: These citations may not always be 100% accurate.