Copy & paste the citations into the Enter Citations box
Make sure the citations are all starting on a new line. (See top photo at right.)
Choose .ris (EndNote) format
Click Search
Review the citations (See middle photo at right.)
Select the correct one if there are multiple
Click Download
Then when you get to RefWorks, click +Add -> Import References. (See bottom photo at right.)
Upload the .ris file
Select RIS format on the pull-down menu in the box
Click Import
The citations will all show up separately in RefWorks. You can create a folder for them. When you click on individual citations, you can edit them as needed. You can click Create Bibliography and select the style you want.
Screenshots
Copy and paste citations. Check that they're each on a new line.