Find what you need in our searchable FAQ.
Here's the deal: copy-pasting a database link from the URL bar just gets you a broken link. Why? You're copy-pasting a temporary URL.
What you want is the durable, permanent, stable link that takes you back to the article, ebook, or video you need later.
That permanent stable link is called a Permalink. Most database articles, videos, and e/books have a Permalink.
Emailing yourself articles or books or videos from inside a database usually includes the Permalink (and citation information) for each source.