Beechel, E. E. (1929). A citizenship program for elementary schools. Teachers college, Columbia university.
芝加哥风格引文Beechel, Edith Emma. A Citizenship Program for Elementary Schools. New York City: Teachers college, Columbia university, 1929.
MLA引文Beechel, Edith Emma. A Citizenship Program for Elementary Schools. Teachers college, Columbia university, 1929.
警告：这些引文格式不一定是100％准确.