Cita APA (7th ed.)

Zeidler, E. H. (1990). Nonlinear functional analysis and its applications. Springer Verlag.

Cita Chicago (17th ed.)

Zeidler, Eberhard H. Nonlinear Functional Analysis and Its Applications. New York: Springer Verlag, 1990.

Cita MLA (9th ed.)

Zeidler, Eberhard H. Nonlinear Functional Analysis and Its Applications. Springer Verlag, 1990.