APA (7th ed.) Citation

Cleary, J. P., & Levenbach, H. (1981). The professional forecaster: The forecasting process through data analysis. Lifetime Learning Publications.

Chicago Style (17th ed.) Citation

Cleary, James P., and Hans Levenbach. The Professional Forecaster: The Forecasting Process Through Data Analysis. Belmont, Calif: Lifetime Learning Publications, 1981.

MLA (9th ed.) Citation

Cleary, James P., and Hans Levenbach. The Professional Forecaster: The Forecasting Process Through Data Analysis. Lifetime Learning Publications, 1981.