APA引文
Purkitt, H. E. (1998). World politics: 98/99. Dushkin/McGraw-Hill.
芝加哥风格引文
Purkitt, Helen E. World Politics: 98/99. Guilford: Dushkin/McGraw-Hill, 1998.
MLA引文
Purkitt, Helen E. World Politics: 98/99. Dushkin/McGraw-Hill, 1998.
警告:这些引文格式不一定是100%准确.