Hard to trouble should without further information from you.
Firstly, this looks like your library view and it does look like you may have copied and pasted a duplicate set of records. (Duplicates can be reviewed and removed using the References menu>“find duplicates” option in endnote)
It also looks as if your authors may be incorrectly entered perhaps all on one line?
Ideally they should be entered.
Djankov, S
La Porta, R
Lopez-de-Silanes, F
Shleifer, A
Have you viewed any of the endnote youtube training videos (if this page faults, click on the “home” link)
How are you inserting the citations into your text? Ctrl+C (in endnote) and then ctrl+V in the word document? or maybe the " on the endnote toolbar?)
What journal is the manuscript going to be submitted to? What output style are you using?
Are they being autoformatted (endnote toolbar/ribbon in word)?