Niebuhr, H. R. (1951). Christ and culture. Harper and Brothers.
Chicago Style (17th ed.) ZitazioaNiebuhr, H. Richard. Christ and Culture. New York: Harper and Brothers, 1951.
MLA (9th ed.) ZitazioaNiebuhr, H. Richard. Christ and Culture. Harper and Brothers, 1951.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.