APA
Gelpi D. L., . (1970). Discerning the spirit : foundations and futures of religious life. New York: Sheed and Ward.
Chicago
Gelpi Donald L, . 1970. Discerning the spirit : foundations and futures of religious life. New York: Sheed and Ward.
Harvard
Gelpi D. L., . (1970). Discerning the spirit : foundations and futures of religious life. New York: Sheed and Ward.
MLA
Gelpi Donald L, . Discerning the spirit : foundations and futures of religious life. New York: Sheed and Ward. 1970.
