APA (7th ed.) Citation

Powers, D. L. (1987). Boundary value problems (3a. ed.). Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

Powers, David L. Boundary Value Problems. 3a. ed. San Diego: Harcourt Brace Jovanovich, 1987.

MLA (9th ed.) Citation

Powers, David L. Boundary Value Problems. 3a. ed. Harcourt Brace Jovanovich, 1987.