What most people do is copy by starting at the person's name right above the message and drag down into the message box.  Then go down to the message you doing, hit the quote button and paste it in.  Hit enter key twice the end quote.  

Like this :

 replied about 5 hours ago
Yep..this site does not use the same forum software 

I think that there are plans to add a better quote function at some point.  

--Nathan, TX. Hire the lazy man. He may not do as much work but that's because he will find a better way.