APA (7th ed.) Citation

United States. Bureau of Standards. (1939). Preparation and colorimetric properties of magnesium-℗Ưoxide reflectance standard [with bibliography]. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Standards. Preparation and Colorimetric Properties of Magnesium-℗Ưoxide Reflectance Standard [with Bibliography]. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Bureau of Standards. Preparation and Colorimetric Properties of Magnesium-℗Ưoxide Reflectance Standard [with Bibliography]. [s.n.], 1939.