Cita APA (7th ed.)

U. S. Library of Congress. (1950). Library of Congress: Sesquicentennial exhibit, April 24, 1950. U. S. Government Printing Office.

Cita Chicago (17th ed.)

U. S. Library of Congress. Library of Congress: Sesquicentennial Exhibit, April 24, 1950. Washington: U. S. Government Printing Office, 1950.

Cita MLA (9th ed.)

U. S. Library of Congress. Library of Congress: Sesquicentennial Exhibit, April 24, 1950. U. S. Government Printing Office, 1950.