Cooper, C., & Heffernan, A. (2015). Your new prime: 30 days to better sex, eternal strength, and a kick-ass life after 40 (First edition.). Harper Wave, an imprint of HarperCollinsPublishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cooper, Craig, و Andrew Heffernan. Your New Prime: 30 Days to Better Sex, Eternal Strength, and a Kick-ass Life After 40. First edition. New York, NY: Harper Wave, an imprint of HarperCollinsPublishers, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cooper, Craig, و Andrew Heffernan. Your New Prime: 30 Days to Better Sex, Eternal Strength, and a Kick-ass Life After 40. First edition. Harper Wave, an imprint of HarperCollinsPublishers, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.