APA (7th ed.) Citation

Haskins, L., & Jeffrey, K. (1990). Understanding quantitative history. McGraw-Hill.

Chicago Style (17th ed.) Citation

Haskins, Loren, and Kirk Jeffrey. Understanding Quantitative History. New York: McGraw-Hill, 1990.

MLA (9th ed.) Citation

Haskins, Loren, and Kirk Jeffrey. Understanding Quantitative History. McGraw-Hill, 1990.