APA
LIBRARY OF CONGRESS, LIBRARY OF CONGRESS, . (1982). Annual report,1981. Washington: Library of Congress.
Chicago
LIBRARY OF CONGRESS, LIBRARY OF CONGRESS, . 1982. Annual report,1981. Washington: Library of Congress.
Harvard
LIBRARY OF CONGRESS, LIBRARY OF CONGRESS, . (1982). Annual report,1981. Washington: Library of Congress.
MLA
LIBRARY OF CONGRESS, LIBRARY OF CONGRESS, . Annual report,1981. Washington: Library of Congress. 1982.
