APA (7th ed.) Citation

Halmos, P. R. (1967). A Hilbert space problem book. D. Van Nostrand.

Chicago Style (17th ed.) Citation

Halmos, Paul R. A Hilbert Space Problem Book. Princeton, N.J.: D. Van Nostrand, 1967.

MLA (8th ed.) Citation

Halmos, Paul R. A Hilbert Space Problem Book. D. Van Nostrand, 1967.

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