APA (7th ed.) Citation

McGraw-Hill & Walther, G. R. (1994). Upside-down marketing: Turning your ex-customers into your best customers. McGraw-Hill.

Chicago Style (17th ed.) Citation

McGraw-Hill and George R. Walther. Upside-down Marketing: Turning Your Ex-customers into Your Best Customers. New York: McGraw-Hill, 1994.

MLA (8th ed.) Citation

McGraw-Hill and George R. Walther. Upside-down Marketing: Turning Your Ex-customers into Your Best Customers. McGraw-Hill, 1994.