APA (7th ed.) Citation

Li͡usternik, L. A., & Sobolev, V. I. (1961). Elements of functional analysis. Gordon and Breach.

Chicago Style (17th ed.) Citation

Li͡usternik, L. A., and V. I. Sobolev. Elements of Functional Analysis. New York: Gordon and Breach, 1961.

MLA (8th ed.) Citation

Li͡usternik, L. A., and V. I. Sobolev. Elements of Functional Analysis. Gordon and Breach, 1961.