United States. Bureau of the Census & Billings, J. S. (1904). Discussion of vital statistics of 12th Census. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census and John S. Billings. Discussion of Vital Statistics of 12th Census. Washington: U.S. G.P.O., 1904.
MLA (9th ed.) CitationUnited States. Bureau of the Census and John S. Billings. Discussion of Vital Statistics of 12th Census. U.S. G.P.O., 1904.
Warning: These citations may not always be 100% accurate.