APA (7th ed.) Citation

Goldmann, H. M. (1967). How to win customers: The 15 areas of creative selling. Printers'ink Books.

Chicago Style (17th ed.) Citation

Goldmann, Heinz M. How to Win Customers: The 15 Areas of Creative Selling. New York: Printers'ink Books, 1967.

MLA (9th ed.) Citation

Goldmann, Heinz M. How to Win Customers: The 15 Areas of Creative Selling. Printers'ink Books, 1967.