APA (7th ed.) Citation

United States. Department of Health, Education, and Welfare. (1926). Studies in natural illumination in school rooms: Parts I and II. Report on observations of daylight illumination of selected classrooms of different orientation during period of an entire school year. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Health, Education, and Welfare. Studies in Natural Illumination in School Rooms: Parts I and II. Report on Observations of Daylight Illumination of Selected Classrooms of Different Orientation During Period of an Entire School Year. [Washington]: GPO, 1926.

MLA (9th ed.) Citation

United States. Department of Health, Education, and Welfare. Studies in Natural Illumination in School Rooms: Parts I and II. Report on Observations of Daylight Illumination of Selected Classrooms of Different Orientation During Period of an Entire School Year. GPO, 1926.