Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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