Which of these sentences correctly and effectively incorporates source material into an essay?


“When a crowd adopts a point of view en masse, all critical thinking stops,” is an interesting point about mob mentality.


Hamlet's BlackBerry: A Practical Philosophy for Building a Good Life in the Digital Age talks about critical thinking and how it is important “When a crowd adopts a point of view en masse, all critical thinking stops.” (published 2011, HarperCollins)


In his book, Hamlet's BlackBerry: A Practical Philosophy for Building a Good Life in the Digital Age, William Powers makes an interesting point about the psychology of mob mentality: “When a crowd adopts a point of view en masse, all critical thinking stops” (49).


On page 49 of the book, Hamlet's BlackBerry: A Practical Philosophy for Building a Good Life in the Digital Age, you can read the quote “When a crowd adopts a point of view en masse, all critical thinking stops.”