APA (7th ed.) Citation

Protter, M. H., & Weinberger, H. F. (1967). Maximum principles in differential equations. Prentice-Hall.

Chicago Style (17th ed.) Citation

Protter, Murray H., and Hans F. Weinberger. Maximum Principles in Differential Equations. Englewood Cliffs, NJ: Prentice-Hall, 1967.

MLA (9th ed.) Citation

Protter, Murray H., and Hans F. Weinberger. Maximum Principles in Differential Equations. Prentice-Hall, 1967.