Cita APA (7a ed.)

United States. Senate. (1928). Public School System, District of Columbia. Government Printing Office.

Cita Chicago Style (17a ed.)

United States. Senate. Public School System, District of Columbia. Washington: Government Printing Office, 1928.

Cita MLA (9a ed.)

United States. Senate. Public School System, District of Columbia. Government Printing Office, 1928.