APA (7th ed.) Citation

Gilbert, R. P. (1974). Constructive methods for elliptic equations. Springer.

Chicago Style (17th ed.) Citation

Gilbert, Robert P. Constructive Methods for Elliptic Equations. Berlin ; New York: Springer, 1974.

MLA (9th ed.) Citation

Gilbert, Robert P. Constructive Methods for Elliptic Equations. Springer, 1974.