Pennington, M. B. (1996). Thomas Merton, my brother: His journey into freedom, compassion, and final integration : essays. New City Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pennington, M. Basil. Thomas Merton, My Brother: His Journey into Freedom, Compassion, and Final Integration : Essays. Hyde Park, N.Y.: New City Press, 1996.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pennington, M. Basil. Thomas Merton, My Brother: His Journey into Freedom, Compassion, and Final Integration : Essays. New City Press, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.