Sewell Carl & Brown Paul B. (1990). Customers for life: How to turn that one-time buyer into a lifetime customer. Currency/Doubleday.
Chicago Style (17th ed.) CitationSewell Carl and Brown Paul B. Customers for Life: How to Turn That One-time Buyer into a Lifetime Customer. Currency/Doubleday, 1990.
MLA (8th ed.) CitationSewell Carl and Brown Paul B. Customers for Life: How to Turn That One-time Buyer into a Lifetime Customer. Currency/Doubleday, 1990.
Warning: These citations may not always be 100% accurate.