According to mira keller, "the death penalty is a cruel and unjust form of punishment."how can you change this example to better follow the rules of quotations?

According to Mira Keller, "The death penalty is a cruel and unjust form of punishment."

Explanation:

The quotation is a complete one, so the first letter of the quotation should be capital.

Other rule of quotations are:

One should use commas to interrupt or introduce new quotations.

Periods and commas in a quotation should always come within the quotation marks.

If a quoted question ends in mid sentence, then the quotation shall end with a question mark.