Cita APA (7a ed.)

Colberg, M. R., Bradford, W. C., & Alt, R. M. (1957). Business economics: Principles and cases (Rev. ed.). Richard D. Irwin.

Cita Chicago Style (17a ed.)

Colberg, Marshall Rudolph, William C. Bradford, y Richard M. Alt. Business Economics: Principles and Cases. Rev. ed. Homewood (Illinois): Richard D. Irwin, 1957.

Cita MLA (9a ed.)

Colberg, Marshall Rudolph, et al. Business Economics: Principles and Cases. Rev. ed. Richard D. Irwin, 1957.