APA (7th ed.) Citation

Wendland, W. L. (1979). Elliptic systems in the plane (1. publ.). Pitman.

Chicago Style (17th ed.) Citation

Wendland, Wolfgang L. Elliptic Systems in the Plane. 1. publ. London u.a: Pitman, 1979.

MLA (9th ed.) Citation

Wendland, Wolfgang L. Elliptic Systems in the Plane. 1. publ. Pitman, 1979.