Principal officers of the Department of State and United States chiefs of mission.
APA Citation
United States. Department of State. Office of the Historian. (1986). Principal officers of the Department of State and United States chiefs of mission. [Washington, D.C.]: Dept. of State, Office of the Historian, Bureau of Public Affairs.
MLA Citation
United States. Department of State. Office of the Historian. Principal Officers of the Department of State And United States Chiefs of Mission. [Washington, D.C.]: Dept. of State, Office of the Historian, Bureau of Public Affairs, 1986.
Warning: These citations may not always be complete (especially for serials).