Is this how to quote a website in text, for a research paper in mla format?

Is this how to quote a website in text, for a research paper in mla format?

“Dance Dance Revolution -- an arcade staple that has players dance on colored squares to the rhythm of Asian techno-pop. That discovery not only surprised investigators, it also was at odds with overheated speculation in the media and around dinner tables that violent video games had helped turn Lanza into a killer.” (sciam.com)