APA (7th ed.) Citation

Hass, K. (1969). Creative salesmanship understanding essentials. George Press.

Chicago Style (17th ed.) Citation

Hass, K. Creative Salesmanship Understanding Essentials. London: George Press, 1969.

MLA (9th ed.) Citation

Hass, K. Creative Salesmanship Understanding Essentials. George Press, 1969.

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