Frere's index to the antiphons of the sarum antiphoner

MLA

Collamore, Lila. Frere's Index to the Antiphons of the Sarum Antiphoner. London: The plainsong and mediaeval music society, 1990.

APA

Collamore, L. (1990). Frere's index to the antiphons of the sarum antiphoner. London: The plainsong and mediaeval music society.

Chicago

Collamore, Lila, Joseph P Metzinger, and Ruth Steiner. Frere's Index to the Antiphons of the Sarum Antiphoner. London: The plainsong and mediaeval music society, 1990.