Cita APA (7a ed.)

PEN (Organization), Seymour-Jones, C., & Popescu, L. (2007). Writers Under Siege: Voices of Freedom from Around the World. New York University Press.

Cita Chicago Style (17a ed.)

PEN (Organization), Carole Seymour-Jones, y Lucy Popescu. Writers Under Siege: Voices of Freedom from Around the World. New York: New York University Press, 2007.

Cita MLA (8a ed.)

PEN (Organization), et al. Writers Under Siege: Voices of Freedom from Around the World. New York University Press, 2007.