Conventions of Composition Rule 76 Practice

Wrong:

...Cary's frequent feelings of isolation often lead her to question her choices. "[The song] jangled as noisily in my head as the hormones in my body. And what with all the racket, how could I have hoped to listen to the longings of my peers and know they were my own? How could I have imagined the crinkling of Cash's waxed paper in the dark?" (80) Because she never asks these questions of her peers, it takes Cary years to realize that many students shared her sense of being an outsider...

Better:

...Cary's frequent feelings of isolation often lead her to question her choices: [The song] jangled as noisily in my head as the hormones in my body. And what with all the racket, how could I have hoped to listen to the longings of my peers and know they were my own? How could I have imagined the crinkling of Cash's waxed paper in the dark? (80) Because she never asks these questions of her peers, it takes Cary years to realize that many students shared her sense of being an outsider...

Explanation: The quotation is long enough that it merits the special long-quotation formatting, which leaves it double-indented, single-spaced, and without quotation marks (unless it had internal dialogue and narration).