Cita APA (7a ed.)

Berger, M. S., & Berger, M. (1968). Perspectives in nonlinearity: An introduction to nonlinear analysis. W. A. Benjamin.

Cita Chicago Style (17a ed.)

Berger, Melvyn S., y Marion Berger. Perspectives in Nonlinearity: An Introduction to Nonlinear Analysis. New York ; Amsterdam: W. A. Benjamin, 1968.

Cita MLA (9a ed.)

Berger, Melvyn S., y Marion Berger. Perspectives in Nonlinearity: An Introduction to Nonlinear Analysis. W. A. Benjamin, 1968.