Index to 1970 census summary tapes
MLA
Zeisset, Paul T. Index to 1970 Census Summary Tapes. [Washington]: U.S. Dept. of Commerce, Social and Economic Statistics Administration, Bureau of the Census : [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1973
APA, 7th edition
Zeisset, P. T. (1973). Index to 1970 census summary tapes. [Washington]: U.S. Dept. of Commerce, Social and Economic Statistics Administration, Bureau of the Census : [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
Chicago, 17th edition
Zeisset, Paul T. Index to 1970 census summary tapes. [Washington]: U.S. Dept. of Commerce, Social and Economic Statistics Administration, Bureau of the Census : [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1973