which choice best demonstrates how to incorporate a citation directly within a sentence for quoted material? smith (2018) said, "after all this time, i find it hard to believe…." (p. 25). dobson stated, in his persuasive documentary, "we will contribute to…." (p. 78). alex (2015) said, "the rules and regulations mandate…" matthews said, "the research results were inconclusive" (para. 4).