APA (7th ed.) Citation

Williams, B. J. (1929). Practical salesmanship; a series of sixteen lectures. The Dartnell corporation.

Chicago Style (17th ed.) Citation

Williams, Benjamin J. Practical Salesmanship; a Series of Sixteen Lectures. Chicago: The Dartnell corporation, 1929.

MLA (9th ed.) Citation

Williams, Benjamin J. Practical Salesmanship; a Series of Sixteen Lectures. The Dartnell corporation, 1929.