USA, San Francisco, northern California, and northern Nevada.
APA Citation
United States Travel Service. (1980). USA, San Francisco, northern California, and northern Nevada. [Washington, D.C.?]: U.S. Dept. of Commerce, United States Travel Service.
MLA Citation
United States Travel Service. USA, San Francisco, Northern California, And Northern Nevada. [Washington, D.C.?]: U.S. Dept. of Commerce, United States Travel Service, 1980.
Warning: These citations may not always be complete (especially for serials).