The benefits of using a travel agent :
consumer's guide to travel information.
APA Citation
United States Travel Service. (1978). The benefits of using a travel agent: consumer's guide to travel information. [Washington, D.C.]: Department of Commerce, United States Travel Service.
MLA Citation
United States Travel Service. The Benefits of Using a Travel Agent: Consumer's Guide to Travel Information. [Washington, D.C.]: Department of Commerce, United States Travel Service, 1978.
Warning: These citations may not always be complete (especially for serials).