Zeidler, E. (1985) Nonlinear functional analysis and its applications Variational methods and optimization [book]. New York [u.a.]: Springer (Nonlinear functional analysis and its applications, 3).
Chicago Manual of Style 17th edition (full note)Zeidler, Eberhard. Nonlinear functional analysis and its applications Variational methods and optimization. Book. Nonlinear functional analysis and its applications 3. New York [u.a.]: Springer, [1985?], New York [u.a.]: Springer, [1985?].
American Psychological Association 7th editionZeidler, E. (ca. 1985). Nonlinear functional analysis and its applications Variational methods and optimization [Book]. Springer.
Modern Language Association 9th editionZeidler, E. Nonlinear functional analysis and its applications Variational methods and optimization. book, Springer, 1985.
ISO-690 (author-date, Deutsch)ZEIDLER, Eberhard, 1985. Nonlinear functional analysis and its applications Variational methods and optimization. New York [u.a.]: Springer. Nonlinear functional analysis and its applications, 3. ISBN 354090915 X