Cita APA (7a ed.)

Hildegarda, S., & Page, C. (1986). A feather on the breath of God: Sequences and hymns. Hyperion.

Cita Chicago Style (17a ed.)

Hildegarda, Santa, y Christopher Page. A Feather on the Breath of God: Sequences and Hymns. London: Hyperion, 1986.

Cita MLA (9a ed.)

Hildegarda, Santa, y Christopher Page. A Feather on the Breath of God: Sequences and Hymns. Hyperion, 1986.