Foreign travels of the secretaries of state, 1866-1990.
APA Citation
Duncan, E. M., United States. Department of State. Office of the Historian. (1990). Foreign travels of the secretaries of state, 1866-1990. [Washington, D.C.]: United States Dept. of State, Office of the Historian, Bureau of Public Affairs.
MLA Citation
Duncan, Evan M, and United States. Department of State. Office of the Historian. Foreign Travels of the Secretaries of State, 1866-1990. [Washington, D.C.]: United States Dept. of State, Office of the Historian, Bureau of Public Affairs, 1990.
Warning: These citations may not always be complete (especially for serials).