APA (7th ed.) Citation

Sewell, M. J. (1990). Maximum and minimum principles: A unified approach, with applications (Reprinted.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Sewell, Michael J. Maximum and Minimum Principles: A Unified Approach, with Applications. Reprinted. Cambridge u.a: Cambridge Univ. Press, 1990.

MLA (9th ed.) Citation

Sewell, Michael J. Maximum and Minimum Principles: A Unified Approach, with Applications. Reprinted. Cambridge Univ. Press, 1990.