Philadelphia Museum of Art, Edward Stern (Firm), Blake, W., Mongan, E., Wolf, E., & Newton, A. E. (1939). William Blake, 1757-1827: A descriptive catalogue of an exhibition of the works of William Blake selected from collections in the United States. Philadelphia Museum of Art.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philadelphia Museum of Art, Edward Stern (Firm), William Blake, Elizabeth Mongan, Edwin Wolf, و A. Edward Newton. William Blake, 1757-1827: A Descriptive Catalogue of an Exhibition of the Works of William Blake Selected from Collections in the United States. Philadelphia: Philadelphia Museum of Art, 1939.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Philadelphia Museum of Art, et al. William Blake, 1757-1827: A Descriptive Catalogue of an Exhibition of the Works of William Blake Selected from Collections in the United States. Philadelphia Museum of Art, 1939.