APA (7th ed.) Citation

Sperb, R. P. (1981). Maximum principles and their applications (1. printing.). Acad. Press.

Chicago Style (17th ed.) Citation

Sperb, René P. Maximum Principles and Their Applications. 1. printing. New York [u.a.]: Acad. Press, 1981.

MLA (9th ed.) Citation

Sperb, René P. Maximum Principles and Their Applications. 1. printing. Acad. Press, 1981.