APA (7th ed.) Citation

Guigo II, -., Colledge, E., & Walsh, J. (1981). The ladder of monks: A letter on the contemplative life and Twelve meditations. Cistercian Publications.

Chicago Style (17th ed.) Citation

Guigo II, -1188, Edmund Colledge, and James Walsh. The Ladder of Monks: A Letter on the Contemplative Life and Twelve Meditations. Kalamazoo, Mich.: Cistercian Publications, 1981.

MLA (9th ed.) Citation

Guigo II, -1188, et al. The Ladder of Monks: A Letter on the Contemplative Life and Twelve Meditations. Cistercian Publications, 1981.

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