Bibliography and reel index :
a guide to the microfilm edition of United States decennial census publications, 1790-1970.
APA Citation
Research Publications, i. (1975). Bibliography and reel index: a guide to the microfilm edition of United States decennial census publications, 1790-1970. Woodbridge, Conn.: Research Publications.
MLA Citation
Research Publications, inc. Bibliography And Reel Index: a Guide to the Microfilm Edition of United States Decennial Census Publications, 1790-1970. Woodbridge, Conn.: Research Publications, 1975.
Warning: These citations may not always be complete (especially for serials).