Cita APA

United States. Department of the Army, American University (Washington, D.C.). Foreign Area Studies, & Keefe, E. K. (1982). East Germany: A country study (2nd ed.). American University, Foreign Area Studies : For sale by the Supt. of Docs., U.S. G.P.O..

Citación estilo Chicago

United States. Department of the Army, D.C.). Foreign Area Studies American University (Washington, and Eugene K. Keefe. East Germany: A Country Study. 2nd ed. Washington, D.C.: American University, Foreign Area Studies : For sale by the Supt. of Docs., U.S. G.P.O., 1982.

Cita MLA

United States. Department of the Army, et al. East Germany: A Country Study. 2nd ed. American University, Foreign Area Studies : For sale by the Supt. of Docs., U.S. G.P.O., 1982.