APA (7th ed.) Citation

Halmos, P. R. (1951). Introduction to Hilbert space and the theory of spectral multiplicity. Chelsea Pub. Co..

Chicago Style (17th ed.) Citation

Halmos, Paul R. Introduction to Hilbert Space and the Theory of Spectral Multiplicity. New York: Chelsea Pub. Co., 1951.

MLA (9th ed.) Citation

Halmos, Paul R. Introduction to Hilbert Space and the Theory of Spectral Multiplicity. Chelsea Pub. Co., 1951.