APA (7th ed.) Citation

Willis, R. E. (1987). A guide to forecasting for planners and managers. Prentice-Hall.

Chicago Style (17th ed.) Citation

Willis, Raymond E. A Guide to Forecasting for Planners and Managers. Englewood Cliffs, N.J.: Prentice-Hall, 1987.

MLA (9th ed.) Citation

Willis, Raymond E. A Guide to Forecasting for Planners and Managers. Prentice-Hall, 1987.