APA (7th ed.) Citation

(1929). Some properties of sponge rubber. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Some Properties of Sponge Rubber. [Washington?]: U.S. Government Printing Office, 1929.

MLA (9th ed.) Citation

Some Properties of Sponge Rubber. U.S. Government Printing Office, 1929.

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