1977 census of governments :
volume 3, public employment.
APA Citation
United States. Bureau of the Census., United States. Bureau of the Census. Governments Division. (1979). 1977 census of governments: volume 3, public employment. [Washington]: Dept. of Commerce, Bureau of the Census, [Economic Fields], Governments Division : for sale by the Supt. of Docs., U.S. Govt. Print. Off..
MLA Citation
United States. Bureau of the Census, and United States. Bureau of the Census. Governments Division. 1977 Census of Governments: Volume 3, Public Employment. [Washington]: Dept. of Commerce, Bureau of the Census, [Economic Fields], Governments Division : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1979.
Warning: These citations may not always be complete (especially for serials).