United States. Public Health Service. (1937). Measurements of ultraviolet radiation and illumination in American cities, during the years 1931 to 1933. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Public Health Service. Measurements of Ultraviolet Radiation and Illumination in American Cities, During the Years 1931 to 1933. [Washington]: [s.n.], 1937.
MLA (9th ed.) CitationUnited States. Public Health Service. Measurements of Ultraviolet Radiation and Illumination in American Cities, During the Years 1931 to 1933. [s.n.], 1937.
Warning: These citations may not always be 100% accurate.