Cita APA (7a ed.)

West, R., & Hitchens, C. (2007). Black lamb and grey falcon. Penguin Books.

Cita Chicago Style (17a ed.)

West, Rebecca, y Christopher Hitchens. Black Lamb and Grey Falcon. New York: Penguin Books, 2007.

Cita MLA (9a ed.)

West, Rebecca, y Christopher Hitchens. Black Lamb and Grey Falcon. Penguin Books, 2007.