User:GreenMeansGo/refname

In order to avoid duplicating references in the reference list, you have to name the reference. So a lot of folks will type something like this:

Johnny told the devil "you son of a gun, I'm the best there's ever been." They engaged in a fiddle playing contest which Johnny Won. The story was later told in a popular song by Charlie Daniels.

Which gives you this:

But instead of repeating the reference, you name it like this, and just repeat the name with a "/":

Johnny told the devil "you son of a gun, I'm the best there's ever been." < ref name="Daniels" >The Devil went down to Georgia. (1979) Charlie Daniels. Epic Records. They engaged in a fiddle playing contest which Johnny Won. < ref name="Daniels"/ > The story was later told in a popular song by Charlie Daniels.< ref name="Daniels"/ >

Which gives you this: