United States Civil Service Commission. (1917). Instructions to applicants for mechanical trades and similar positions in field branches, except navy-yard service. GPO.
Chicago Style (17th ed.) CitationUnited States Civil Service Commission. Instructions to Applicants for Mechanical Trades and Similar Positions in Field Branches, Except Navy-yard Service. [Washington]: GPO, 1917.
MLA (9th ed.) CitationUnited States Civil Service Commission. Instructions to Applicants for Mechanical Trades and Similar Positions in Field Branches, Except Navy-yard Service. GPO, 1917.
Warning: These citations may not always be 100% accurate.