Jantz,Gregory L. (2004). Thin over 40: The simple 12-week plan for getting back the body you had . . . or building the body you've always wanted. Penguin Books.
Chicago Style (17th ed.) CitationJantz,Gregory L. Thin over 40: The Simple 12-week Plan for Getting Back the Body You Had . . . or Building the Body You've Always Wanted. New York: Penguin Books, 2004.
MLA (9th ed.) CitationJantz,Gregory L. Thin over 40: The Simple 12-week Plan for Getting Back the Body You Had . . . or Building the Body You've Always Wanted. Penguin Books, 2004.
Warning: These citations may not always be 100% accurate.