Keller, J. (2023). Quitting: A life strategy : the myth of perseverance--and how the new science of giving up can set you free (First edition.). Balance, Hachette Book Group.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Keller, Julia. Quitting: A Life Strategy : The Myth of Perseverance--and How the New Science of Giving Up Can Set You Free. First edition. New York, NY: Balance, Hachette Book Group, 2023.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Keller, Julia. Quitting: A Life Strategy : The Myth of Perseverance--and How the New Science of Giving Up Can Set You Free. First edition. Balance, Hachette Book Group, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.