United States. Department of the Army, American University (Washington, D.C.). Foreign Area Studies, & Nyrop, R. F. (1981). Panama: A country study (3rd ed., 1st printing.). Headquarters, Dept. of the Army.
Chicago Style (17th ed.) CitationUnited States. Department of the Army, D.C.). Foreign Area Studies American University (Washington, and Richard F. Nyrop. Panama: A Country Study. 3rd ed., 1st printing. [Washington, D.C.?]: Headquarters, Dept. of the Army, 1981.
MLA (9th ed.) CitationUnited States. Department of the Army, et al. Panama: A Country Study. 3rd ed., 1st printing. Headquarters, Dept. of the Army, 1981.
Warning: These citations may not always be 100% accurate.