Godin, S. (1999). Permission marketing: Strangers into friends into customers. Simon & Schuster.
Chicago Style (17th ed.) CitationGodin, Seth. Permission Marketing: Strangers into Friends into Customers. London: Simon & Schuster, 1999.
MLA (9th ed.) CitationGodin, Seth. Permission Marketing: Strangers into Friends into Customers. Simon & Schuster, 1999.
Warning: These citations may not always be 100% accurate.