APA (7th ed.) Citation

Halmos, P. R. (1974). A Hilbert Space Problem Book. Springer US.

Chicago Style (17th ed.) Citation

Halmos, P. R. A Hilbert Space Problem Book. New York, NY: Springer US, 1974.

MLA (9th ed.) Citation

Halmos, P. R. A Hilbert Space Problem Book. Springer US, 1974.