Cita APA (7a ed.)

Hale, T., Held, D., & Young, K. (2013). Gridlock: Why global cooperation is failing when we need it most. Polity Press.

Cita Chicago Style (17a ed.)

Hale, Thomas, David Held, y Kevin Young. Gridlock: Why Global Cooperation Is Failing When We Need It Most. Cambridge, UK: Polity Press, 2013.

Cita MLA (9a ed.)

Hale, Thomas, et al. Gridlock: Why Global Cooperation Is Failing When We Need It Most. Polity Press, 2013.