Citazione Stile APA (7a Edizione)

Halmos, P. R. (1957). Introduction to Hilbert space and the theory of spectral multiplicity (2a. ed.). Chelsea.

Citazione stile Chigago Style (17a edizione)

Halmos, Paul Richard. Introduction to Hilbert Space and the Theory of Spectral Multiplicity. 2a. ed. Nueva York: Chelsea, 1957.

Citatione MLA (9a ed.)

Halmos, Paul Richard. Introduction to Hilbert Space and the Theory of Spectral Multiplicity. 2a. ed. Chelsea, 1957.