United States. War Department. (1930). Ordnance Department: Instructions covering characteristics, purpose, handling, et cetera of cleaning and preserving materials, tools and materials for use therewith, and oils, greases and cutting compounds issued by Ordnance Department; changes numbers 1. GPO.
Chicago Style (17th ed.) CitationUnited States. War Department. Ordnance Department: Instructions Covering Characteristics, Purpose, Handling, Et Cetera of Cleaning and Preserving Materials, Tools and Materials for Use Therewith, and Oils, Greases and Cutting Compounds Issued by Ordnance Department; Changes Numbers 1. [Washington]: GPO, 1930.
MLA (9th ed.) CitationUnited States. War Department. Ordnance Department: Instructions Covering Characteristics, Purpose, Handling, Et Cetera of Cleaning and Preserving Materials, Tools and Materials for Use Therewith, and Oils, Greases and Cutting Compounds Issued by Ordnance Department; Changes Numbers 1. GPO, 1930.