APA (7th ed.) Citation

Sewell, M. J. (1987). Maximum and minimum principles: A unified approach, with applications (1. publ.). Cambridge Univ. Pr.

Chicago Style (17th ed.) Citation

Sewell, Michael J. Maximum and Minimum Principles: A Unified Approach, with Applications. 1. publ. Cambridge u.a: Cambridge Univ. Pr, 1987.

MLA (9th ed.) Citation

Sewell, Michael J. Maximum and Minimum Principles: A Unified Approach, with Applications. 1. publ. Cambridge Univ. Pr, 1987.