APA (7th ed.) Citation

Gilbarg, D., & Trudinger, N. S. (1977). Elliptic Partial Differential Equations of Second Order. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Gilbarg, David, and Neil S. Trudinger. Elliptic Partial Differential Equations of Second Order. Berlin, Heidelberg: Springer Berlin Heidelberg, 1977.

MLA (9th ed.) Citation

Gilbarg, David, and Neil S. Trudinger. Elliptic Partial Differential Equations of Second Order. Springer Berlin Heidelberg, 1977.