Gleason, R. W. (1968). Contemporary spirituality: Current problems in religious life. Macmillan.
Citazione stile Chigago Style (17a edizione)Gleason, Robert W. Contemporary Spirituality: Current Problems in Religious Life. New York: Macmillan, 1968.
Citatione MLA (9a ed.)Gleason, Robert W. Contemporary Spirituality: Current Problems in Religious Life. Macmillan, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.