APA (7th ed.) Citation

United States. Bureau of Standards. (1939). Old growth Douglas fir standard stock doors, a Recorded standard of the industry. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Standards. Old Growth Douglas Fir Standard Stock Doors, a Recorded Standard of the Industry. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Bureau of Standards. Old Growth Douglas Fir Standard Stock Doors, a Recorded Standard of the Industry. [s.n.], 1939.