APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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