You would cite by copy the mla format to owl city
People usually believe that an argument is nasty and always opposes a concept or initiates disagreement, but in literature, an argumentative piece or essay is merely arguing one's view of a topic and does not have to be rude or disagreeable. Also, arguments can be civilized and kind if they are conducted correctly.
An ATTACK is a noun, even though it might seem as if it's not. It is an abstract noun and not a verb because the verb would be "to attack". Here it refers to the act of attacking, or, the attack.
Watson told Sir Henry that Barrymore may not have received the telegram Holmes sent from London himself. So Sir Henry asks Barrymore if he read the telegram and replied to it himself. He answers that, since he was busy, he let his wife answer. Later on in the day, Barrymore asks if Sir Henry suspects him of something.