Beckwith, H. (1997). Selling The Invisible: A Field Guide to Modern Marketing. Warner Books.
Chicago Style (17th ed.) CitationBeckwith, Harry. Selling The Invisible: A Field Guide to Modern Marketing. Warner Books, 1997.
MLA (8th ed.) CitationBeckwith, Harry. Selling The Invisible: A Field Guide to Modern Marketing. Warner Books, 1997.
Warning: These citations may not always be 100% accurate.