APA (7th ed.) Citation

Westbrook, R. A., & Black, W. C. (1985). A motivation-based shopper typology. [s.n.].

Chicago Style (17th ed.) Citation

Westbrook, Robert A., and William C. Black. A Motivation-based Shopper Typology. [S.l.]: [s.n.], 1985.

MLA (9th ed.) Citation

Westbrook, Robert A., and William C. Black. A Motivation-based Shopper Typology. [s.n.], 1985.