Ries, A., & Ries, L. (2004). The fall of advertising and the rise of PR / Al Ries and Laura Ries (1st HarperBusiness pbk ed.). HarperBusiness.
Chicago Style (17th ed.) CitationRies, Al, and Laura Ries. The Fall of Advertising and the Rise of PR / Al Ries and Laura Ries. 1st HarperBusiness pbk ed. New York: HarperBusiness, 2004.
MLA (9th ed.) CitationRies, Al, and Laura Ries. The Fall of Advertising and the Rise of PR / Al Ries and Laura Ries. 1st HarperBusiness pbk ed. HarperBusiness, 2004.
Warning: These citations may not always be 100% accurate.