APA引文

Hardy, G. H., Littlewood,J.E, & Polya,G. (1997). Inequalities. University Press.

Chicago Edition Citation

Hardy, G. H., Littlewood,J.E, and Polya,G. Inequalities. Cambridge [Eng.]: University Press, 1997.

MLA引文

Hardy, G. H., et al. Inequalities. University Press, 1997.

警告：这些引文格式不一定是100％准确.