Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Cowden, Dudley J., y Mercedes Cowden. Practical Problems in Business Statistics. New York: Prentice-Hall, 1948.

Cita MLA (9a ed.)

Cowden, Dudley J., y Mercedes Cowden. Practical Problems in Business Statistics. Prentice-Hall, 1948.