Cita APA (7a ed.)

Ribeiro, A. P., & Pacheco, C. (2006). The State of the world. Carcanet Press.

Cita Chicago Style (17a ed.)

Ribeiro, António Pinto, y Carlos Pacheco. The State of the World. Manchester: Carcanet Press, 2006.

Cita MLA (8a ed.)

Ribeiro, António Pinto, y Carlos Pacheco. The State of the World. Carcanet Press, 2006.