Library of Congress, Gale Research Inc, Library of Congress. Cataloging Policy and Support Office, & Library of Congress. Subject Cataloging Division. (1993). Classification. Class C. Auxiliary sciences of history (4th ed.). The Library For sale by the Cataloging Distribution Service.
Citazione stile Chigago Style (17a edizione)Library of Congress, Gale Research Inc, Library of Congress. Cataloging Policy and Support Office, e Library of Congress. Subject Cataloging Division. Classification. Class C. Auxiliary Sciences of History. 4th ed. Washington: The Library For sale by the Cataloging Distribution Service, 1993.
Citatione MLA (9a ed.)Library of Congress, et al. Classification. Class C. Auxiliary Sciences of History. 4th ed. The Library For sale by the Cataloging Distribution Service, 1993.