APA (7th ed.) Citation

Stewart, B. M. (1964). Theory of numbers (2. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Stewart, Bonnie M. Theory of Numbers. 2. ed. New York: Macmillan, 1964.

MLA (9th ed.) Citation

Stewart, Bonnie M. Theory of Numbers. 2. ed. Macmillan, 1964.