APA (7th ed.) Citation

Hildegard, S., & Atherton, M. (2001). Selected writings. Penguin.

Chicago Style (17th ed.) Citation

Hildegard, Saint, and Mark Atherton. Selected Writings. Penguin, 2001.

MLA (9th ed.) Citation

Hildegard, Saint, and Mark Atherton. Selected Writings. Penguin, 2001.

Warning: These citations may not always be 100% accurate.