APA (7th ed.) Citation

Stillman, M. H. (1919). Portable cubic-foot standard for gas. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Stillman, M. H. Portable Cubic-foot Standard for Gas. [Washington?]: U.S. Government Printing Office, 1919.

MLA (9th ed.) Citation

Stillman, M. H. Portable Cubic-foot Standard for Gas. U.S. Government Printing Office, 1919.