APA (7th ed.) Citation

United States. Patent Office. (1924). General information about protection of trade marks, prints, and labels. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Patent Office. General Information About Protection of Trade Marks, Prints, and Labels. Washington: U.S. GPO, 1924.

MLA (9th ed.) Citation

United States. Patent Office. General Information About Protection of Trade Marks, Prints, and Labels. U.S. GPO, 1924.

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