Importing_PubMed_Records_in_to_Endnote.pdf
In Pubmed, click on the article’s title to see the full record
Then click the “Send to” menu at the upper right of the record.

Choose “Citation Manager” and the click the Create File button that appears below.

This will begin downloading a file called “citations.nbib”
Opening this file will open EndNote and import the citation into your library.