APA (7th ed.) Citation

Bush, G. C., & Obreanu, P. E. (1965). Basic concepts of mathematics. Holt, Rinehart and Winston, Inc.

Chicago Style (17th ed.) Citation

Bush, George C., and Phillip E. Obreanu. Basic Concepts of Mathematics. New York: Holt, Rinehart and Winston, Inc, 1965.

MLA (9th ed.) Citation

Bush, George C., and Phillip E. Obreanu. Basic Concepts of Mathematics. Holt, Rinehart and Winston, Inc, 1965.