APA引文

United States. Bureau of the Census & United States. National Archives and Records Administration. (2002). 15th census, population, 1930. The Bureau.

Chicago Style (17th ed.) Citation

United States. Bureau of the Census and United States. National Archives and Records Administration. 15th Census, Population, 1930. [Washington, D.C.]: The Bureau, 2002.

MLA引文

United States. Bureau of the Census and United States. National Archives and Records Administration. 15th Census, Population, 1930. The Bureau, 2002.

警告：這些引文格式不一定是100％准確.