APA (7th ed.) Citation

Ord, J. K. (1972). Families of frequency distributions. Hafner.

Chicago Style (17th ed.) Citation

Ord, J. K. Families of Frequency Distributions. New York: Hafner, 1972.

MLA (9th ed.) Citation

Ord, J. K. Families of Frequency Distributions. Hafner, 1972.