Παραπομπή σε μορφή APA (7η εκδ.)

Roggen, H. (1970). Spirit and life: The Gospel way of life in the writings of St. Francis and St. Clare. Franciscan Herald Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Roggen, Heribert. Spirit and Life: The Gospel Way of Life in the Writings of St. Francis and St. Clare. Chicago, Ill.: Franciscan Herald Press, 1970.

Παραπομπή σε μορφή MLA (8th εκδ.)

Roggen, Heribert. Spirit and Life: The Gospel Way of Life in the Writings of St. Francis and St. Clare. Franciscan Herald Press, 1970.