MLA

Williams, Peter. The King of Instruments: How Churches Came to Have Organs. London: The Cromwell Press, 1993.

APA

Williams, P. (1993). The King of Instruments: How Churches came to have Organs. London: The Cromwell Press.

Chicago

Williams, Peter The King of Instruments: How Churches Came to Have Organs. London: The Cromwell Press, 1993.