Coles, R. (2002). When they were young: A photographic retrospective of childhood from the Library of Congress. Kales Press in association with the Library of Congress.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Coles, Robert. When They Were Young: A Photographic Retrospective of Childhood from the Library of Congress. [Carlsbad, Calif.]: Kales Press in association with the Library of Congress, 2002.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Coles, Robert. When They Were Young: A Photographic Retrospective of Childhood from the Library of Congress. Kales Press in association with the Library of Congress, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.