APA (7th ed.) Citation

United States. National Bureau of Standards. (1943). Cloth window shades. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Bureau of Standards. Cloth Window Shades. [Washington]: [s.n.], 1943.

MLA (9th ed.) Citation

United States. National Bureau of Standards. Cloth Window Shades. [s.n.], 1943.

Warning: These citations may not always be 100% accurate.