APA (7th ed.) Citation

Morris, D. E., & Topfer, H. E. (1963). Advancing in mathematics: Teacher's commentary. Science Research Associates.

Chicago Style (17th ed.) Citation

Morris, Dennis E., and Henry E. Topfer. Advancing in Mathematics: Teacher's Commentary. Chicago, IL: Science Research Associates, 1963.

MLA (9th ed.) Citation

Morris, Dennis E., and Henry E. Topfer. Advancing in Mathematics: Teacher's Commentary. Science Research Associates, 1963.