APA (7th ed.) Citation

Halmos, P. (1957). Introduction to Hilbert space and the theory of spectral multiplicity (Second edition.). Chelsea Publishing.

Chicago Style (17th ed.) Citation

Halmos, P.R. Introduction to Hilbert Space and the Theory of Spectral Multiplicity. Second edition. New York: Chelsea Publishing, 1957.

MLA (9th ed.) Citation

Halmos, P.R. Introduction to Hilbert Space and the Theory of Spectral Multiplicity. Second edition. Chelsea Publishing, 1957.