Library of Congress. Office for Subject Cataloging Policy. (1990). Classification. Class D. Subclasses D-DJ. History (general). History of Europe, part 1 (3rd ed.). Library of Congress For sale by the Cataloging Distribution Service, Library of Congress.
Cita Chicago (17th ed.)Library of Congress. Office for Subject Cataloging Policy. Classification. Class D. Subclasses D-DJ. History (general). History of Europe, Part 1. 3rd ed. Washington: Library of Congress For sale by the Cataloging Distribution Service, Library of Congress, 1990.
Cita MLA (9th ed.)Library of Congress. Office for Subject Cataloging Policy. Classification. Class D. Subclasses D-DJ. History (general). History of Europe, Part 1. 3rd ed. Library of Congress For sale by the Cataloging Distribution Service, Library of Congress, 1990.