APA (7th ed.) Citation

(1931). Packaging of dental plaster, investment, and artificial stone. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Packaging of Dental Plaster, Investment, and Artificial Stone. [Washington?]: U.S. Government Printing Office, 1931.

MLA (9th ed.) Citation

Packaging of Dental Plaster, Investment, and Artificial Stone. U.S. Government Printing Office, 1931.

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