Smith, H. W. (1999). The Christian's secret of a happy life. T. Nelson Publishers.
芝加哥风格引文Smith, Hannah Whitall. The Christian's Secret of a Happy Life. Nashville: T. Nelson Publishers, 1999.
MLA引文Smith, Hannah Whitall. The Christian's Secret of a Happy Life. T. Nelson Publishers, 1999.
警告：这些引文格式不一定是100％准确.