Click on the title of the article you want to link to.
From the next screen, highlight, right click and copy the DOI number (the number string starting with 10. next to the cover of the eBook - see image below).
Click image to enlarge.
Paste this number into the "DOI" box below.
Click "Create Link".
Your complete link will appear in the "Complete Link" box. If you want to test the complete link to make sure it works, click "Test Link", otherwise, copy the link and paste it into your document or webpage.