APA (7th ed.) Citation

Kato, T. (1966). Perturbation theory for linear operators. Springer-Verlag Berlin.

Chicago Style (17th ed.) Citation

Kato, Tosio. Perturbation Theory for Linear Operators. New York: Springer-Verlag Berlin, 1966.

MLA (9th ed.) Citation

Kato, Tosio. Perturbation Theory for Linear Operators. Springer-Verlag Berlin, 1966.