APA (7th ed.) Citation

Roberts, A. W., & Varberg, D. E. (1973). Convex functions. Academic Press.

Chicago Style (17th ed.) Citation

Roberts, A. Wayne, and Dale E. Varberg. Convex Functions. New York: Academic Press, 1973.

MLA (9th ed.) Citation

Roberts, A. Wayne, and Dale E. Varberg. Convex Functions. Academic Press, 1973.