United States. Bureau of Naval Personnel. (1971). Basic machines and how they work ([2nd ed.].). Dover Publications.
Chicago Style (17th ed.) CitationUnited States. Bureau of Naval Personnel. Basic Machines and How They Work. [2nd ed.]. New York: Dover Publications, 1971.
MLA (8th ed.) CitationUnited States. Bureau of Naval Personnel. Basic Machines and How They Work. [2nd ed.]. Dover Publications, 1971.
Warning: These citations may not always be 100% accurate.