APA引文

Library of Congress & Library of Congress. Catalog Maintenance Division. Library of Congress catalog: Books: subjects; a cumulative list of works represented by Library of Congress printed cards. Library of Congress.

Chicago Style (17th ed.) Citation

Library of Congress and Library of Congress. Catalog Maintenance Division. Library of Congress Catalog: Books: Subjects; a Cumulative List of Works Represented by Library of Congress Printed Cards. Washington: Library of Congress.

MLA引文

Library of Congress and Library of Congress. Catalog Maintenance Division. Library of Congress Catalog: Books: Subjects; a Cumulative List of Works Represented by Library of Congress Printed Cards. Library of Congress.