Prothero, D. R. (2018). The story of the Earth in 25 rocks: Tales of important geological puzzles and the people who solved them. Columbia University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Prothero, Donald R. The Story of the Earth in 25 Rocks: Tales of Important Geological Puzzles and the People Who Solved Them. New York: Columbia University Press, 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Prothero, Donald R. The Story of the Earth in 25 Rocks: Tales of Important Geological Puzzles and the People Who Solved Them. Columbia University Press, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.