United States. Federal Board for Vocational Education. (1921). Leave regulations. GPO.
Chicago Style (17th ed.) CitationUnited States. Federal Board for Vocational Education. Leave Regulations. [Washington]: GPO, 1921.
MLA (9th ed.) CitationUnited States. Federal Board for Vocational Education. Leave Regulations. GPO, 1921.
Warning: These citations may not always be 100% accurate.