APA (7th ed.) Citation

United States. Bureau of Mines. (1936). List of devices for respiratory protection approved by Bureau of Mines. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. List of Devices for Respiratory Protection Approved by Bureau of Mines. [Washington]: [s.n.], 1936.

MLA (9th ed.) Citation

United States. Bureau of Mines. List of Devices for Respiratory Protection Approved by Bureau of Mines. [s.n.], 1936.

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