Cite
MLA (8th Edition)
Per Capita Retail Sales In the United States, by Counties, 1972. Dept. of Commerce, Bureau of the Census, For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1977.
APA (7th Edition)
Per capita retail sales in the United States, by counties, 1972. (1977). Dept. of Commerce, Bureau of the Census, For sale by the Supt. of Docs., U.S. Govt. Print. Off.
Chicago (17th Edition)
“Per Capita Retail Sales in the United States, by Counties, 1972.” Washington: Dept. of Commerce, Bureau of the Census, For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1977.