Cita APA (7a ed.)

(1991). Full Circle: Ninety Years of Service in the Main Reading Room. Washington: Library of Congress.

Cita Chicago Style (17a ed.)

Full Circle: Ninety Years of Service in the Main Reading Room. Washington: Library of Congress, 1991.

Cita MLA (9a ed.)

Full Circle: Ninety Years of Service in the Main Reading Room. Washington: Library of Congress, 1991.