External research.
Africa.

APA Citation

United States. Department of State. Office of External Research., United States. Department of State. External Research Division., United States. Department of State. Division of External Research & Publications., United States. Department of State. External Research Staff. (19551968). External research. Washington, D.C.: External Research Staff, Office of Intelligence Research, Department of State.

MLA Citation

United States. Department of State. Office of External Research, United States. Department of State. External Research Division, United States. Department of State. Division of External Research & Publications, and United States. Department of State. External Research Staff. External Research. Washington, D.C.: External Research Staff, Office of Intelligence Research, Department of State, 19551968.

Warning: These citations may not always be complete (especially for serials).