Krug, D., & Greenwald, M. (1912). Christmas song: Stilly night, holy night, op.196 = stille nacht, heilige nacht. Century Music.
芝加哥风格引文Krug, Diederich, 与 M. Greenwald. Christmas Song: Stilly Night, Holy Night, Op.196 = Stille Nacht, Heilige Nacht. New York: Century Music, 1912.
MLA引文Krug, Diederich, 与 M. Greenwald. Christmas Song: Stilly Night, Holy Night, Op.196 = Stille Nacht, Heilige Nacht. Century Music, 1912.
警告：这些引文格式不一定是100％准确.