APA (7th ed.) Citation

Reagan, O. (1927). American architecture of the twentieth century: A series of photographs and measured drawings of modern, civic, commercial and industrial buildings. Architectural Book Publishing Co..

Chicago Style (17th ed.) Citation

Reagan, Oliver. American Architecture of the Twentieth Century: A Series of Photographs and Measured Drawings of Modern, Civic, Commercial and Industrial Buildings. New York: Architectural Book Publishing Co., 1927.

MLA (9th ed.) Citation

Reagan, Oliver. American Architecture of the Twentieth Century: A Series of Photographs and Measured Drawings of Modern, Civic, Commercial and Industrial Buildings. Architectural Book Publishing Co., 1927.