APA引文

(1968). Modern political systems: Europe (2nd ed.). Prentice hall.

Chicago Edition Citation

Modern Political Systems: Europe. 2nd ed. New Jersey: Prentice hall, 1968.

MLA引文

Modern Political Systems: Europe. 2nd ed. Prentice hall, 1968.

警告：這些引文格式不一定是100％准確.