United States. Bureau of the Census. (1940). Vital Statistics-Special Reports, Vol. 9, No. 67, Live Births with and Without Medical Attention, Part II, Distribution of Births by Medical Attention by States, Counties, and Cities, 1935. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Vital Statistics-Special Reports, Vol. 9, No. 67, Live Births with and Without Medical Attention, Part II, Distribution of Births by Medical Attention by States, Counties, and Cities, 1935. [Washington]: [s.n.], 1940.
MLA (9th ed.) CitationUnited States. Bureau of the Census. Vital Statistics-Special Reports, Vol. 9, No. 67, Live Births with and Without Medical Attention, Part II, Distribution of Births by Medical Attention by States, Counties, and Cities, 1935. [s.n.], 1940.