APA (7th ed.) Citation

Hellwig, G. (1964). Partial differential equations: An introduction ([1st English translated ed.].). Blaisdell Pub. Co..

Chicago Style (17th ed.) Citation

Hellwig, Günter. Partial Differential Equations: An Introduction. [1st English translated ed.]. New York: Blaisdell Pub. Co., 1964.

MLA (8th ed.) Citation

Hellwig, Günter. Partial Differential Equations: An Introduction. [1st English translated ed.]. Blaisdell Pub. Co., 1964.