APA (7th ed.) Citation

Halmos, P. R. (1972). Introduction to Hilbert space and the theory of spectral multiplicity (2. ed., reprinted.). Chelsea.

Chicago Style (17th ed.) Citation

Halmos, Paul R. Introduction to Hilbert Space and the Theory of Spectral Multiplicity. 2. ed., reprinted. New York, N.Y: Chelsea, 1972.

MLA (9th ed.) Citation

Halmos, Paul R. Introduction to Hilbert Space and the Theory of Spectral Multiplicity. 2. ed., reprinted. Chelsea, 1972.

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