United States. Bureau of the Census. (1938). Vital Statistics-Special Reports, Vol. 5, No. 19, Number of Deaths from all Puerperal Causes and Death Rates (Number Per 1,000 Live Births) in the Birth Registration Area in the United States: 1932-1936. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Vital Statistics-Special Reports, Vol. 5, No. 19, Number of Deaths from All Puerperal Causes and Death Rates (Number Per 1,000 Live Births) in the Birth Registration Area in the United States: 1932-1936. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. Bureau of the Census. Vital Statistics-Special Reports, Vol. 5, No. 19, Number of Deaths from All Puerperal Causes and Death Rates (Number Per 1,000 Live Births) in the Birth Registration Area in the United States: 1932-1936. [s.n.], 1938.