Cita APA (7th ed.)
Potter, J., & Sorrell, N. (2012). A history of singing. Cambridge University Press.
Cita Chicago (17th ed.)
Potter, John, i Neil Sorrell. A History of Singing. Cambridge: Cambridge University Press, 2012.
Cita MLA (9th ed.)
Potter, John, i Neil Sorrell. A History of Singing. Cambridge University Press, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.