Krull, K., & Lam, M. (2018). Frenemies in the family: Famous brothers and sisters who butted heads and had each other's backs (First edition.). Crown.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Krull, Kathleen, و Maple Lam. Frenemies in the Family: Famous Brothers and Sisters Who Butted Heads and Had Each Other's Backs. First edition. New York: Crown, 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Krull, Kathleen, و Maple Lam. Frenemies in the Family: Famous Brothers and Sisters Who Butted Heads and Had Each Other's Backs. First edition. Crown, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.