Seamon, R. (1997). From the World is Beautiful to The Family of Man: The Plight of Photography as a Modern Art. The Journal of Aesthetics and Art Criticism.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Seamon, Roger. "From the World Is Beautiful to The Family of Man: The Plight of Photography as a Modern Art." The Journal of Aesthetics and Art Criticism 1997.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Seamon, Roger. "From the World Is Beautiful to The Family of Man: The Plight of Photography as a Modern Art." The Journal of Aesthetics and Art Criticism, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.