United States. Steamboat-Inspection Service. (1931). Steamboat-Inspection Service bulletin. GPO.
Chicago Style (17th ed.) CitationUnited States. Steamboat-Inspection Service. Steamboat-Inspection Service Bulletin. [Washington]: GPO, 1931.
MLA (9th ed.) CitationUnited States. Steamboat-Inspection Service. Steamboat-Inspection Service Bulletin. GPO, 1931.
Warning: These citations may not always be 100% accurate.