APA (7th ed.) Citation

Wentz, W. B., & Eyrich, G. I. (1970). Marketing: Theory and application. Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Wentz, Walter B., and Gerald I. Eyrich. Marketing: Theory and Application. New York: Harcourt, Brace & World, 1970.

MLA (9th ed.) Citation

Wentz, Walter B., and Gerald I. Eyrich. Marketing: Theory and Application. Harcourt, Brace & World, 1970.