APA (7th ed.) Citation

United States. Federal Board for Vocational Education. (1931). Flame safety lamps, devices for detecting fire damp, and miners' electric lamps: Technical information for use in vocational training classes. GPO.

Chicago Style (17th ed.) Citation

United States. Federal Board for Vocational Education. Flame Safety Lamps, Devices for Detecting Fire Damp, and Miners' Electric Lamps: Technical Information for Use in Vocational Training Classes. [Washington]: GPO, 1931.

MLA (9th ed.) Citation

United States. Federal Board for Vocational Education. Flame Safety Lamps, Devices for Detecting Fire Damp, and Miners' Electric Lamps: Technical Information for Use in Vocational Training Classes. GPO, 1931.