Παραπομπή σε μορφή APA (7η εκδ.)

Gelpi, D. L. (1970). Discerning the spirit: Foundations and futures of religious life. Sheed and Ward.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gelpi, Donald L. Discerning the Spirit: Foundations and Futures of Religious Life. New York: Sheed and Ward, 1970.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gelpi, Donald L. Discerning the Spirit: Foundations and Futures of Religious Life. Sheed and Ward, 1970.