Παραπομπή APA

Ogilvy, S. C. (1972). Tomorrow's math: Unsolved problems for the amateur (2nd ed.). Oxford University.

Παραπομπή Chicago Style

Ogilvy, Stanley C. Tomorrow's Math: Unsolved Problems for the Amateur. 2nd ed. New York: Oxford University, 1972.

Παραπομπή MLA

Ogilvy, Stanley C. Tomorrow's Math: Unsolved Problems for the Amateur. 2nd ed. Oxford University, 1972.