you can get a blockquote like this.
four score and seven years ago, our
forefathers set forth upon this continent
a new nation, conceived in liberty and
dedicated to the proposition that
all men[_1_] are created equal.
or like this:
four score and seven years ago, our
forefathers set forth upon this continent
a new nation, conceived in liberty and
dedicated to the proposition that
all men[_2_] are created equal.
you should note that the first method (using the colon) rewraps the lines, and the second (using the right-angle-bracket) does not rewrap the lines. so use the one which meets your needs better in each case.