Cita APA (7a ed.)

Ryan, C. (1994). The longest day: June 6, 1944 (1st Touchstone ed.). Simon and Schuster.

Cita Chicago Style (17a ed.)

Ryan, Cornelius. The Longest Day: June 6, 1944. 1st Touchstone ed. New York: Simon and Schuster, 1994.

Cita MLA (8a ed.)

Ryan, Cornelius. The Longest Day: June 6, 1944. 1st Touchstone ed. Simon and Schuster, 1994.

Precaución: Estas citas no son 100% exactas.