Cita APA (7a ed.)

Powers, D. L. (1979). Boundary value problems (2nd ed.). Academic Press.

Cita Chicago Style (17a ed.)

Powers, David L. Boundary Value Problems. 2nd ed. New York: Academic Press, 1979.

Cita MLA (9a ed.)

Powers, David L. Boundary Value Problems. 2nd ed. Academic Press, 1979.