APA (7th ed.) Citation

Schultz, D. E., & Robinson, W. A. (1982). Sales promotion essentials. Crain Books.

Chicago Style (17th ed.) Citation

Schultz, Don E., and William A. Robinson. Sales Promotion Essentials. Chicago, Ill: Crain Books, 1982.

MLA (9th ed.) Citation

Schultz, Don E., and William A. Robinson. Sales Promotion Essentials. Crain Books, 1982.