Chown, M. (2017). The ascent of gravity: The quest to understand the force that explains everything (First Pegasus Books hardcover edition.). Pegasus Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chown, Marcus. The Ascent of Gravity: The Quest to Understand the Force That Explains Everything. First Pegasus Books hardcover edition. New York: Pegasus Books, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Chown, Marcus. The Ascent of Gravity: The Quest to Understand the Force That Explains Everything. First Pegasus Books hardcover edition. Pegasus Books, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.