APA (7th ed.) Citation

Library of Congress. Office for Subject Cataloging Policy. (1990). Classification. Class D. Subclasses DL-DR. History of Europe, part 2 (3rd ed.). Library of Congress For sale by the Cataloging Distribution Service, Library of Congress.

Chicago Style (17th ed.) Citation

Library of Congress. Office for Subject Cataloging Policy. Classification. Class D. Subclasses DL-DR. History of Europe, Part 2. 3rd ed. Washington: Library of Congress For sale by the Cataloging Distribution Service, Library of Congress, 1990.

MLA (9th ed.) Citation

Library of Congress. Office for Subject Cataloging Policy. Classification. Class D. Subclasses DL-DR. History of Europe, Part 2. 3rd ed. Library of Congress For sale by the Cataloging Distribution Service, Library of Congress, 1990.