MLA-- 7th ed.
Composer's last name, first name, middle initial. Title of recording. Cond. conductor's name. Recording date. Manufacturer, date of publication. Format.
Beethoven, Ludwig van. Symphony no.1 in C, op. 21. Cond. Roger Norrington. Rec. n.d. EMI, 1968. MP3.
Name of group or singer. "Title of song." Recording date. Title of album. Manufacturer, date of publication. Format.
Chi-Lites. "Have you seen her?" Rec. 2 May 2006. The Ultimate Chi-Lites. Brunswick, 2006. MP3.
"Name of video." Name of overall Web site. Web. Date of access. <URL>.
"Van Morrison - Brown Eyed Girl." YouTube. Web. 10 Aug. 2009. <http://www.youtube.com/watch?v=_SP60n9v2YM>.
Poem from Web site:
Author last name, First name. "Title of poem." Name of overall Web site. Publisher or sponsor of site, Date of publication. Web. Date of access.
Jeffers, Robinson. "Hurt Hawks." Poetry Foundation. Poetry Foundation, 2009. Web. 12 July 2009.