APA (7th ed.) Citation

(1923). Procedure for establishing list of permissible gas masks; fees, character of tests, and conditions under which gas masks will be tested. GPO.

Chicago Style (17th ed.) Citation

Procedure for Establishing List of Permissible Gas Masks; Fees, Character of Tests, and Conditions Under Which Gas Masks Will Be Tested. [Washington]: GPO, 1923.

MLA (9th ed.) Citation

Procedure for Establishing List of Permissible Gas Masks; Fees, Character of Tests, and Conditions Under Which Gas Masks Will Be Tested. GPO, 1923.