APA引文
Sneddon, I. N. (1957). Elements of partial differential equations. McGraw-Hill.
芝加哥风格引文
Sneddon, Ian N. Elements of Partial Differential Equations. New Delhi: McGraw-Hill, 1957.
MLA引文
Sneddon, Ian N. Elements of Partial Differential Equations. McGraw-Hill, 1957.
警告：这些引文格式不一定是100％准确.