Freund, P. A. (1967). Constitutional law: Cases and other problems (3rd ed.). Little, Brown.
芝加哥风格引文Freund, Paul Abraham. Constitutional Law: Cases and Other Problems. 3rd ed. Boston: Little, Brown, 1967.
MLA引文Freund, Paul Abraham. Constitutional Law: Cases and Other Problems. 3rd ed. Little, Brown, 1967.
警告：这些引文格式不一定是100％准确.