Cita APA (7a ed.)

Blakey, G. R., & Billings, R. N. (1981). The plot to kill the president. Times Books.

Cita Chicago Style (17a ed.)

Blakey, George R., y Richard N. Billings. The Plot to Kill the President. New York: Times Books, 1981.

Cita MLA (8a ed.)

Blakey, George R., y Richard N. Billings. The Plot to Kill the President. Times Books, 1981.