APA (7th ed.) Citation

(1920). Procedure for establishing list of permissible miners' flame safety lamps; character of tests, conditions under which lamps will be tested, and fees. GPO.

Chicago Style (17th ed.) Citation

Procedure for Establishing List of Permissible Miners' Flame Safety Lamps; Character of Tests, Conditions Under Which Lamps Will Be Tested, and Fees. [Washington]: GPO, 1920.

MLA (9th ed.) Citation

Procedure for Establishing List of Permissible Miners' Flame Safety Lamps; Character of Tests, Conditions Under Which Lamps Will Be Tested, and Fees. GPO, 1920.