APA引文

United States. Office of Education. (1931). Statistics of the Negro race. United States Department of the Interior, Office of Education, For sale by the Supt. of Docs., U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Office of Education. Statistics of the Negro Race. [Washington, D.C.: United States Department of the Interior, Office of Education, For sale by the Supt. of Docs., U.S. G.P.O., 1931.

MLA引文

United States. Office of Education. Statistics of the Negro Race. United States Department of the Interior, Office of Education, For sale by the Supt. of Docs., U.S. G.P.O., 1931.