Research Paper question?

Published April 12, 2012 | By Bman

Question by Dan F: Research Paper question?
Im writing a paper on violence in the media and i want to use this quoute from an article from a Steve martin movie.
I N the movie Grand CanyonSteve Martin plays the role of a producer ofB-grade violent movies. However, after an armed robbershoots Martin’s character in the leg, he has an epiphany.
“I can’t make those movies anymore,” he decides. “I
can’t make another piece of art that glorifies violence and
bloodshed and brutality. I can’t contribute another stone to
this landslide of dehumanizing rage that has swept across
this country like a pestilence. …I’m done, kaput, finished.
No more exploding bodies, exploding buildings, exploding
anything. No more shit. I’m going to make the world a
better place.” A month or two later, his friend, played by
Kevin Kline. calls on Martin at his Hollywood studio to
congratulate him on the “new direction” his career has
taken. “What? Oh that,” Martin’s character says. “‘That’s
over. I must have delirious for a few weeks there.”
I want to use that quote without plagerizing how would I quote it? Its perfect for the opening of my paper!