APA
Berberian S., Gehring F. & Halmos P.Notes on spectral theory. Princeton, New Jersey: D. Van Nostrand.
Chicago
Berberian Sterling, Gehring Frederick and Halmos Paul.Notes on spectral theory. Princeton, New Jersey: D. Van Nostrand.
Harvard
Berberian S., Gehring F. and Halmos P.Notes on spectral theory. Princeton, New Jersey: D. Van Nostrand.
MLA
Berberian Sterling, Gehring Frederick and Halmos Paul.Princeton, New Jersey: D. Van Nostrand. .