Cita APA (7a ed.)

Hardy, G., Littlewood, J., & Pólya, G. (1952). Inequalities (2a ed.). University Press.

Cita Chicago Style (17a ed.)

Hardy, G.H, J.E Littlewood, y G. Pólya. Inequalities. 2a ed. Cambridge: University Press, 1952.

Cita MLA (9a ed.)

Hardy, G.H, et al. Inequalities. 2a ed. University Press, 1952.