Cita APA (7a ed.)

Berry, C. (2008). The Sphere of Birds. Southern Illinois University Press.

Cita Chicago Style (17a ed.)

Berry, Ciaran. The Sphere of Birds. Carbondale: Southern Illinois University Press, 2008.

Cita MLA (8a ed.)

Berry, Ciaran. The Sphere of Birds. Southern Illinois University Press, 2008.