APA (7th ed.) Citation

McKenzie, J. C., & Kelly, J. R. (1979). Business mathematics: A learning systems approach (Instructor's ed.). Rand McNally College Pub. Co.

Chicago Style (17th ed.) Citation

McKenzie, Jimmy C., and J. Roland Kelly. Business Mathematics: A Learning Systems Approach. Instructor's ed. Chicago: Rand McNally College Pub. Co, 1979.

MLA (9th ed.) Citation

McKenzie, Jimmy C., and J. Roland Kelly. Business Mathematics: A Learning Systems Approach. Instructor's ed. Rand McNally College Pub. Co, 1979.