Amen, D. G., & Cashman, M. (2012). Use your brain to change your age: Secrets to look, feel, and think younger every day. Random House Audio.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Amen, Daniel G., و Marc Cashman. Use Your Brain to Change Your Age: Secrets to Look, Feel, and Think Younger Every Day. [New York]: Random House Audio, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Amen, Daniel G., و Marc Cashman. Use Your Brain to Change Your Age: Secrets to Look, Feel, and Think Younger Every Day. Random House Audio, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.