Cita APA (7th ed.)

United States. Library of Congress & Library of Congress. Cataloging Policy and Support Office. (2007). Library of Congress classification. E-F. History, America (2007 ed.). Library of Congress, Cataloging Distribution Service.

Cita Chicago (17th ed.)

United States. Library of Congress i Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. E-F. History, America. 2007 ed. Washington, D.C: Library of Congress, Cataloging Distribution Service, 2007.

Cita MLA (9th ed.)

United States. Library of Congress i Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. E-F. History, America. 2007 ed. Library of Congress, Cataloging Distribution Service, 2007.