Bergen, P. J. (1934). The salvation of human society. National Council of Catholic Men.
Chicago Style (17. basım) AtıfBergen, Peter J. The Salvation of Human Society. Washington: National Council of Catholic Men, 1934.
MLA (8th ed.) AtıfBergen, Peter J. The Salvation of Human Society. National Council of Catholic Men, 1934.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..