Franklin

MLA

Lc Period Subdivisions Under Names of Places : Compiled From the Online Subject Authority File. 4th ed. Washington, D.C.: Cataloging Distribution Service, Library of Congress, 1990.

APA

(1990). LC period subdivisions under names of places : compiled from the online subject authority file. 4th ed. Washington, D.C.: Cataloging Distribution Service, Library of Congress.

Chicago

LC Period Subdivisions Under Names of Places: Compiled From the Online Subject Authority File. 4th ed. Washington, D.C.: Cataloging Distribution Service, Library of Congress, 1990.