Citing - According, to Christopher Ingraham a writer at the Brookings Institution and the Pew Research Center, he has been informed by the Everytown for Gun Safety, a pro-gun-control group that it has been “ the 12th school shooting [for the year ] 2017” (2017).
When you use quotations, it should be something that is uniquely stated. The above should have been summarized/paraphrased and then cited. It is nothing special.