APA (7th ed.) Citation

Morris, D. E., & Topfer, H. D. (1964). Advancing in mathematics. Science Research Associates.

Chicago Style (17th ed.) Citation

Morris, Dennis E., and H. D. Topfer. Advancing in Mathematics. Chicago, Ill: Science Research Associates, 1964.

MLA (9th ed.) Citation

Morris, Dennis E., and H. D. Topfer. Advancing in Mathematics. Science Research Associates, 1964.