APA (7th ed.) Citation

Epstein, M., Marozeau, J., & Cleveland, S. (2010). Listening Habits of iPod Users.

Chicago Style (17th ed.) Citation

Epstein, Michael, Jeremy Marozeau, and Sandra Cleveland. Listening Habits of IPod Users. 2010.

MLA (9th ed.) Citation

Epstein, Michael, et al. Listening Habits of IPod Users. 2010.