Summa, D. J. (1958). Assignment of income. Ronald Press Co..
芝加哥风格引文Summa, Don J. Assignment of Income. N.Y.: Ronald Press Co., 1958.
MLA引文Summa, Don J. Assignment of Income. Ronald Press Co., 1958.
警告：这些引文格式不一定是100％准确.
APA引文