APA (7th ed.) Citation

United States. Bureau of Standards. (1938). Commercial Standard, CS66-38: Marking of Articles Made Wholly or in Part of Platinum. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Standards. Commercial Standard, CS66-38: Marking of Articles Made Wholly or in Part of Platinum. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. Bureau of Standards. Commercial Standard, CS66-38: Marking of Articles Made Wholly or in Part of Platinum. [s.n.], 1938.

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