Sommer, R. L. (1993). Frank lloyd Wright: American architect for the twentieth century. Saint Joseph's University.
Chicago Style (17th ed.) CitationSommer, Robin Langley. Frank Lloyd Wright: American Architect for the Twentieth Century. Saint Joseph's University, 1993.
MLA (8th ed.) CitationSommer, Robin Langley. Frank Lloyd Wright: American Architect for the Twentieth Century. Saint Joseph's University, 1993.
Warning: These citations may not always be 100% accurate.