Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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