Catalog of copyright entries. Third series. Maps and atlases.
APA Citation
Library of Congress. Copyright Office. Catalog of copyright entries. Third series. Maps and atlases. Washington: Copyright Office, Library of Congress.
MLA Citation
Library of Congress. Copyright Office. Catalog of Copyright Entries. Third Series. Maps And Atlases. Washington: Copyright Office, Library of Congress,
Warning: These citations may not always be complete (especially for serials).