Cita APA (7th ed.)

Bonsall, F. (1971). Numerical ranges of operators on normed spaces and of elements of normed algebras. Cambridge at the University Pr.

Cita Chicago (17th ed.)

Bonsall, F.F. Numerical Ranges of Operators on Normed Spaces and of Elements of Normed Algebras. London: Cambridge at the University Pr, 1971.

Cita MLA (9th ed.)

Bonsall, F.F. Numerical Ranges of Operators on Normed Spaces and of Elements of Normed Algebras. Cambridge at the University Pr, 1971.