APA引文
Samuelson, P. A., & Nordhaus, W. D. (2010). Economics (19th ed.). McGraw-Hill.
芝加哥风格引文
Samuelson, Paul A., 与 William D. Nordhaus. Economics. 19th ed. New York: McGraw-Hill, 2010.
MLA引文
Samuelson, Paul A., 与 William D. Nordhaus. Economics. 19th ed. McGraw-Hill, 2010.
警告：这些引文格式不一定是100％准确.