United States. Library of Congress & Library of Congress. Cataloging Policy and Support Office. (2007). Library of Congress classification. D-DR. History (general). History of Europe (2007 ed.). Library of Congress, Cataloging Distribution Service.
Cita Chicago Style (17a ed.)United States. Library of Congress y Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. D-DR. History (general). History of Europe. 2007 ed. Washington, D.C: Library of Congress, Cataloging Distribution Service, 2007.
Cita MLA (9a ed.)United States. Library of Congress y Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. D-DR. History (general). History of Europe. 2007 ed. Library of Congress, Cataloging Distribution Service, 2007.