APA (7th ed.) Citation

United States. Bureau of Standards. (1921). Pyrometric practice. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Standards. Pyrometric Practice. [Washington]: GPO, 1921.

MLA (9th ed.) Citation

United States. Bureau of Standards. Pyrometric Practice. GPO, 1921.

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