Citazione Stile APA (7a Edizione)

Cordes, H. O. (1979). Elliptic pseudo-differential operators: An abstract theory. Springer-Verlag.

Citazione stile Chigago Style (17a edizione)

Cordes, H. O. Elliptic Pseudo-differential Operators: An Abstract Theory. Berlín: Springer-Verlag, 1979.

Citatione MLA (9a ed.)

Cordes, H. O. Elliptic Pseudo-differential Operators: An Abstract Theory. Springer-Verlag, 1979.