Cita APA (7a ed.)

Library of Congress. (1970). Annual report of the Librarian of Congress: : for ther fiscal year ending June 30, 1969. Library of Congress.

Cita Chicago Style (17a ed.)

Library of Congress. Annual Report of the Librarian of Congress: : For Ther Fiscal Year Ending June 30, 1969. Washington: Library of Congress, 1970.

Cita MLA (9a ed.)

Library of Congress. Annual Report of the Librarian of Congress: : For Ther Fiscal Year Ending June 30, 1969. Library of Congress, 1970.