MLA

Purcell, Henry, et al. The Masque In Dioclesian. London: The Bach Guild, 1973.

APA

Purcell, H., Betterton, T., Deller, A., & Harnoncourt, N. (1973). The Masque in Dioclesian. London: The Bach Guild.

Chicago

Purcell, Henry, Thomas Betterton, Alfred Deller, and Nikolaus Harnoncourt. The Masque In Dioclesian. London: The Bach Guild, 1973.