Cita APA (7a ed.)

Francis, D., & Escott, J. (1993). The danger. Penguin Books.

Cita Chicago Style (17a ed.)

Francis, Dick, y John Escott. The Danger. London: Penguin Books, 1993.

Cita MLA (9a ed.)

Francis, Dick, y John Escott. The Danger. Penguin Books, 1993.