If you are importing citations from databases without a "Direct RefWorks Export" here are the filter settings to make sure the information appears as correct as possible.
Remember to check the citation information for everything that you import into RefWorks, either directly or with a file upload. Fixing problems on entry to the database will save you lots of time and heartache later.
For importing from SciFinder
Filter = CAS SciFinder
Database = Multiple Databases
For importing from Web of Science
Filter = Thomson Reuters
Database = Web of Science