How is the MLA author-page citation used?

Which excerpt from “the girl who silenced the world for five minutes” supports suzuki’s argument that she is “losing [her] future”? coming here today, i have no hidden agenda. losing my future is not like losing an election or a few points on the stock market. and now we hear about animals and plants going extinct every day – vanishing forever. i'm only a child, yet i know we are all in this together and should act as one single world towards one single goal.

What do the excerpts have in common? both point out the tragic nature of situations in which children make journeys without their parents. both describe what immigrant children must do to survive when traveling to the united states. both explain why most children want to leave central america without their parents. both indicate the tragic problems and their consequences that children in central america must face.

According to the author, where can we find the answer to our nation’s “most pressing problem”? does that seem logical?