APA
United States (Government of --), United States (Government of --), . (1951). Government organization manual, 1951-52. : .
Chicago
United States (Government of --), United States (Government of --), . 1951. Government organization manual, 1951-52. : .
Harvard
United States (Government of --), United States (Government of --), . (1951). Government organization manual, 1951-52. : .
MLA
United States (Government of --), United States (Government of --), . Government organization manual, 1951-52. : . 1951.