APA (7th ed.) Citation

Armstrong, F. A. (1966). The modern sales manager's secret weapon: More effective communication with salesmen. Simon and Schuster.

Chicago Style (17th ed.) Citation

Armstrong, Frank A. The Modern Sales Manager's Secret Weapon: More Effective Communication with Salesmen. New York: Simon and Schuster, 1966.

MLA (9th ed.) Citation

Armstrong, Frank A. The Modern Sales Manager's Secret Weapon: More Effective Communication with Salesmen. Simon and Schuster, 1966.