Cita APA (7a ed.)

Forsyth, F. (1980). The devil's alternative. Bantam Books.

Cita Chicago Style (17a ed.)

Forsyth, Frederick. The Devil's Alternative. New York: Bantam Books, 1980.

Cita MLA (9a ed.)

Forsyth, Frederick. The Devil's Alternative. Bantam Books, 1980.