APA (7th ed.) Citation

Hardy, G. H., Littlewood, J. E., & Pólya, G. (1959). Inequalities (2. ed.). Univ. Press.

Chicago Style (17th ed.) Citation

Hardy, Godfrey H., John Edensor Littlewood, and George Pólya. Inequalities. 2. ed. Cambridge: Univ. Press, 1959.

MLA (9th ed.) Citation

Hardy, Godfrey H., et al. Inequalities. 2. ed. Univ. Press, 1959.