APA (7th ed.) Citation

Washburn, H., & Wallace, K. (1999). Why people don't buy things: Five proven steps to connect with your customers and dramatically increase your sales. Perseus Books.

Chicago Style (17th ed.) Citation

Washburn, Harry, and Kim Wallace. Why People Don't Buy Things: Five Proven Steps to Connect with Your Customers and Dramatically Increase Your Sales. Reading, Mass.: Perseus Books, 1999.

MLA (9th ed.) Citation

Washburn, Harry, and Kim Wallace. Why People Don't Buy Things: Five Proven Steps to Connect with Your Customers and Dramatically Increase Your Sales. Perseus Books, 1999.

Warning: These citations may not always be 100% accurate.