Cita APA (7a ed.)

Preston, R. (1998). The cobra event (Frist Ballantine books domestic edition.). Ballantine Books.

Cita Chicago Style (17a ed.)

Preston, Richard. The Cobra Event. Frist Ballantine books domestic edition. New York: Ballantine Books, 1998.

Cita MLA (8a ed.)

Preston, Richard. The Cobra Event. Frist Ballantine books domestic edition. Ballantine Books, 1998.

Precaución: Estas citas no son 100% exactas.