APA (7th ed.) Citation

Lewis, C. D., & Dudley, N. A. (1970). Industrial forecasting techniques (1st published.). Machinery.

Chicago Style (17th ed.) Citation

Lewis, Colin David, and Norman A. Dudley. Industrial Forecasting Techniques. 1st published. London [etc.]: Machinery, 1970.

MLA (9th ed.) Citation

Lewis, Colin David, and Norman A. Dudley. Industrial Forecasting Techniques. 1st published. Machinery, 1970.

Warning: These citations may not always be 100% accurate.