APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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