APA (7th ed.) Citation

Lewis, H. T. (1940). Industrial purchasing: Principles and practice. R.D. Irwin.

Chicago Style (17th ed.) Citation

Lewis, Howard T. Industrial Purchasing: Principles and Practice. Chicago: R.D. Irwin, 1940.

MLA (9th ed.) Citation

Lewis, Howard T. Industrial Purchasing: Principles and Practice. R.D. Irwin, 1940.