APA (7th ed.) Citation

Wendland, W. L. (1979). Elliptic systems in the plane / (by) W.L. Wendland. Pitman.

Chicago Style (17th ed.) Citation

Wendland, W. L. Elliptic Systems in the Plane / (by) W.L. Wendland. London (etc.): Pitman, 1979.

MLA (9th ed.) Citation

Wendland, W. L. Elliptic Systems in the Plane / (by) W.L. Wendland. Pitman, 1979.

Warning: These citations may not always be 100% accurate.