APA (7th ed.) Citation

Graff, R. A. (1978). Elements of non-linear functional analysis. American Mathematical Society.

Chicago Style (17th ed.) Citation

Graff, Richard A. Elements of Non-linear Functional Analysis. Providence: American Mathematical Society, 1978.

MLA (9th ed.) Citation

Graff, Richard A. Elements of Non-linear Functional Analysis. American Mathematical Society, 1978.