Depending on the style you’re using, you could check the corresponding manual to see if there might be an option for listing the website’s “home” URL as opposed to listing the URL link leading directly to the web reference.
At the moment there doesn’t seem to be an automatic “line break” feature but you could manually “break” the line by placing your cursor within the URL address (at the location you want to insert a line break) then press the SHIFT and RETURN keys simultaneously. (You can check to see if the link still works by pressing the CONTROL and “click” key (mouse/track pad button).