Cita APA (7th ed.)

Apostol, C. (1981). Topics in modern operator theory. Birkhauser.

Cita Chicago (17th ed.)

Apostol, C. Topics in Modern Operator Theory. Basilea: Birkhauser, 1981.

Cita MLA (9th ed.)

Apostol, C. Topics in Modern Operator Theory. Birkhauser, 1981.