APA

(1999). Echo. Los Angeles, Calif: Department of Musicology at the University of California.

Chicago

1999. Echo. Los Angeles, Calif: Department of Musicology at the University of California.

Harvard

(1999). Echo. Los Angeles, Calif: Department of Musicology at the University of California.

MLA

Echo. Los Angeles, Calif: Department of Musicology at the University of California. 1999.