Παραπομπή σε μορφή APA (7η εκδ.)

Gratien de Paris. (1957). I know Christ: The personality and spirituality of St. Francis of Assisi. Saint Bonaventure University, The Franciscan Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gratien de Paris. I Know Christ: The Personality and Spirituality of St. Francis of Assisi. St. Bonaventure, N.Y.: Saint Bonaventure University, The Franciscan Institute, 1957.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gratien de Paris. I Know Christ: The Personality and Spirituality of St. Francis of Assisi. Saint Bonaventure University, The Franciscan Institute, 1957.