APA (7th ed.) Citation

Earl, B. (1963). Introduction to probability: A programmed unit in modern mathematics. McGraw-Hill.

Chicago Style (17th ed.) Citation

Earl, Boyd. Introduction to Probability: A Programmed Unit in Modern Mathematics. New York [u.a.]: McGraw-Hill, 1963.

MLA (9th ed.) Citation

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