APA (7th ed.) Citation

Ravens, S. (2014). The supernatural voice: A history of high male singing. The Boydell Press.

Chicago Style (17th ed.) Citation

Ravens, Simon. The Supernatural Voice: A History of High Male Singing. Suffolk, England ; New York: The Boydell Press, 2014.

MLA (8th ed.) Citation

Ravens, Simon. The Supernatural Voice: A History of High Male Singing. The Boydell Press, 2014.

Warning: These citations may not always be 100% accurate.