Pappalardo, J. (2024). Four against the West: The true saga of a frontier family that reshaped the nation--and created a legend (First edition.). St. Martin's Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pappalardo, Joe. Four Against the West: The True Saga of a Frontier Family That Reshaped the Nation--and Created a Legend. First edition. New York: St. Martin's Press, 2024.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pappalardo, Joe. Four Against the West: The True Saga of a Frontier Family That Reshaped the Nation--and Created a Legend. First edition. St. Martin's Press, 2024.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.