Portuguese Guinea, official standard names approved by the United States Board on Geographic Names.
APA Citation
United States. Geographic Names Division., United States Board on Geographic Names. (1968). Portuguese Guinea, official standard names approved by the United States Board on Geographic Names. [Washington, D.C.: Geographic Names Division.
MLA Citation
United States. Geographic Names Division, and United States Board on Geographic Names. Portuguese Guinea, Official Standard Names Approved by the United States Board On Geographic Names. [Washington, D.C.: Geographic Names Division, 1968.
Warning: These citations may not always be complete (especially for serials).