APA-referens

Landkof, N. S. (1972). Foundations of modern potential theory. Springer-Verlag.

Chicago-stil citat

Landkof, N. S. Foundations of Modern Potential Theory. Berlin, New York: Springer-Verlag, 1972.

MLA-referens

Landkof, N. S. Foundations of Modern Potential Theory. Springer-Verlag, 1972.