APA (7th ed.) Citation

Cowden, D. J., & Cowden, M. S. (1948). Practical problems in business statistics. Prentice-Hall.

Chicago Style (17th ed.) Citation

Cowden, Dudley Johnstone, and Mercedes S. Cowden. Practical Problems in Business Statistics. New York: Prentice-Hall, 1948.

MLA (9th ed.) Citation

Cowden, Dudley Johnstone, and Mercedes S. Cowden. Practical Problems in Business Statistics. Prentice-Hall, 1948.