APA (7th ed.) Citation

Frye, R. W. (1973). Introduction to the marketing system. Canfield Press.

Chicago Style (17th ed.) Citation

Frye, Robert W. Introduction to the Marketing System. San Francisco: Canfield Press, 1973.

MLA (8th ed.) Citation

Frye, Robert W. Introduction to the Marketing System. Canfield Press, 1973.