APA引文
Samuelson, P. A., & Nordhaus, W. D. (1998). Economics (16th ed.). McGraw-Hill.
芝加哥风格引文
Samuelson, Paul A., 与 William D. Nordhaus. Economics. 16th ed. Boston: McGraw-Hill, 1998.
MLA引文
Samuelson, Paul A., 与 William D. Nordhaus. Economics. 16th ed. McGraw-Hill, 1998.
警告：这些引文格式不一定是100％准确.