Cita APA (7a ed.)

Kreyszig, E. (1989). Introductory Functional Analysis with Applications. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Kreyszig, Erwin. Introductory Functional Analysis with Applications. Canada: John Wiley & Sons, 1989.

Cita MLA (8a ed.)

Kreyszig, Erwin. Introductory Functional Analysis with Applications. John Wiley & Sons, 1989.