Cita APA (7th ed.)

Kreyszig, E. (1978). Introductory functional analysis with applications. John Wiley and Sons.

Cita Chicago (17th ed.)

Kreyszig, Erwin. Introductory Functional Analysis with Applications. Nueva York: John Wiley and Sons, 1978.

Cita MLA (9th ed.)

Kreyszig, Erwin. Introductory Functional Analysis with Applications. John Wiley and Sons, 1978.