Cita APA

American University (Washington, D.C.). Foreign Area Studies, & Nelson, H. D. (1972). Area handbook for Nigeria (Rev. 3rd ed.). For sale by the Supt. of Docs., U.S. G.P.O..

Citación estilo Chicago

American University (Washington, D.C.). Foreign Area Studies, and Harold D. Nelson. Area Handbook for Nigeria. Rev. 3rd ed. Washington, D.C.: For sale by the Supt. of Docs., U.S. G.P.O., 1972.

Cita MLA

American University (Washington, D.C.). Foreign Area Studies, and Harold D. Nelson. Area Handbook for Nigeria. Rev. 3rd ed. For sale by the Supt. of Docs., U.S. G.P.O., 1972.