APA (7th ed.) Citation

Filippov, A. F., & Brenner, J. L. (1966). Problems in differential equations (2d ed.). Freeman.

Chicago Style (17th ed.) Citation

Filippov, A. F., and J. L. Brenner. Problems in Differential Equations. 2d ed. San Francisco: Freeman, 1966.

MLA (9th ed.) Citation

Filippov, A. F., and J. L. Brenner. Problems in Differential Equations. 2d ed. Freeman, 1966.