APA (7th ed.) Citation

Butler, S. (2007). Are Downloads Performances? Billboard, 119(11), 22.

Chicago Style (17th ed.) Citation

Butler, Susan. "Are Downloads Performances?" Billboard 119, no. 11 (2007): 22.

MLA (9th ed.) Citation

Butler, Susan. "Are Downloads Performances?" Billboard, vol. 119, no. 11, 2007, p. 22.