APA (7th ed.) Citation

Duchan, J. S. (2012). Powerful voices: The musical and social world of collegiate a cappella. University of Michigan Press.

Chicago Style (17th ed.) Citation

Duchan, Joshua S. Powerful Voices: The Musical and Social World of Collegiate a Cappella. Ann Arbor: University of Michigan Press, 2012.

MLA (9th ed.) Citation

Duchan, Joshua S. Powerful Voices: The Musical and Social World of Collegiate a Cappella. University of Michigan Press, 2012.