APA (7th ed.) Citation

Day, G. S., Weitz, B., & Wensley, R. (1990). The Interface of marketing and strategy. Jai Press.

Chicago Style (17th ed.) Citation

Day, George S., Barton Weitz, and Robin Wensley. The Interface of Marketing and Strategy. Greenwich, Connecticut, [etc.]: Jai Press, 1990.

MLA (9th ed.) Citation

Day, George S., et al. The Interface of Marketing and Strategy. Jai Press, 1990.