Cita APA (7th ed.)

Jordan, D. F. (1921). Business forecasting. Prentice-Hall.

Cita Chicago (17th ed.)

Jordan, David Francis. Business Forecasting. New York: Prentice-Hall, 1921.

Cita MLA (8th ed.)

Jordan, David Francis. Business Forecasting. Prentice-Hall, 1921.