Citazione Stile APA (7a Edizione)

Hackbusch, W. (1992). Elliptic Differential Equations: Theory and numerical treatment. Springer-Verlag.

Citazione stile Chigago Style (17a edizione)

Hackbusch, Wolfgang. Elliptic Differential Equations: Theory and Numerical Treatment. Berlin: Springer-Verlag, 1992.

Citatione MLA (9a ed.)

Hackbusch, Wolfgang. Elliptic Differential Equations: Theory and Numerical Treatment. Springer-Verlag, 1992.