Titus, H. H. (1954). Ethics for today (2nd ed.). American Book company.
芝加哥风格引文Titus, Harold H. Ethics for Today. 2nd ed. Boston: American Book company, 1954.
MLA引文Titus, Harold H. Ethics for Today. 2nd ed. American Book company, 1954.
警告：这些引文格式不一定是100％准确.