APA (7th ed.) Citation

Draper, N. R., & Lawrence, W. E. (1970). Probability: An introductory course. Markham.

Chicago Style (17th ed.) Citation

Draper, Norman Richard, and Willard E. Lawrence. Probability: An Introductory Course. Chicago: Markham, 1970.

MLA (9th ed.) Citation

Draper, Norman Richard, and Willard E. Lawrence. Probability: An Introductory Course. Markham, 1970.

Warning: These citations may not always be 100% accurate.