APA (7th ed.) Citation

Clarke, D., Cackett, A., & Balmer, P. (1998). The Penguin encyclopedia of popular music (2nd ed.). Penguin Books.

Chicago Style (17th ed.) Citation

Clarke, Donald, Alan Cackett, and Paul Balmer. The Penguin Encyclopedia of Popular Music. 2nd ed. London, England ; New York, N.Y.: Penguin Books, 1998.

MLA (9th ed.) Citation

Clarke, Donald, et al. The Penguin Encyclopedia of Popular Music. 2nd ed. Penguin Books, 1998.