APA (7th ed.) Citation

Courant, R. (1950). Dirichlet's principle, conformal mapping, and minimal surfaces. Inter-Science Publishing.

Chicago Style (17th ed.) Citation

Courant, Richard. Dirichlet's Principle, Conformal Mapping, and Minimal Surfaces. New York: Inter-Science Publishing, 1950.

MLA (9th ed.) Citation

Courant, Richard. Dirichlet's Principle, Conformal Mapping, and Minimal Surfaces. Inter-Science Publishing, 1950.