United States. Bureau of the Census. (1999). Iowa (in part). [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Iowa (in Part). Washington, D.C.: [s.n.], 1999.
MLA (8th ed.) CitationUnited States. Bureau of the Census. Iowa (in Part). [s.n.], 1999.
Warning: These citations may not always be 100% accurate.