Ries, E. H. (1951). Elias E. Ries, inventor. New York: Philosophical Library.
Chicago Style CitationRies, Estelle H. Elias E. Ries, Inventor. New York: Philosophical Library, 1951.
MLA CitationRies, Estelle H. Elias E. Ries, Inventor. New York: Philosophical Library, 1951.
Warning: These citations may not always be 100% accurate.