APA-referens

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

Chicago-stil citat

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

MLA-referens

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