MLA

Harrison, Frank Llewellyn. Manuscripts of Fourteenth Century English Polyphony: Facsimiles. London: Stainer and Bell, 1981.

APA

Harrison, F. Llewellyn. (1981). Manuscripts of fourteenth century English polyphony: facsimiles. London: Stainer and Bell.

Chicago

Harrison, Frank Llewellyn, and Roger Wibberley. Manuscripts of Fourteenth Century English Polyphony: Facsimiles. London: Stainer and Bell, 1981.