APA引文

Samuelson, P. (2018). Economics (19th.). McGraw Hill.

芝加哥风格引文

Samuelson, Paul. Economics. 19th. McGraw Hill, 2018.

MLA引文

Samuelson, Paul. Economics. 19th. McGraw Hill, 2018.

警告：这些引文格式不一定是100％准确.