APA (7th ed.) Citation

Earl, B., Moore, J. W., & Smith, W. I. (1963). Introduction to probability: A programmed unit in modern mathematics. McGraw-Hill.

Chicago Style (17th ed.) Citation

Earl, Boyd, John William Moore, and Wendell Irving Smith. Introduction to Probability: A Programmed Unit in Modern Mathematics. New York: McGraw-Hill, 1963.

MLA (8th ed.) Citation

Earl, Boyd, et al. Introduction to Probability: A Programmed Unit in Modern Mathematics. McGraw-Hill, 1963.