Cita APA

Ryan, C. 1., & Ryan, C. 1. (1966). The last battle. New York, New York: Simon and Schuster.

Citación estilo Chicago

Ryan, Cornelius 1920-1974, y Cornelius 1920-1974 Ryan. The Last Battle. New York, New York: Simon and Schuster, 1966.

Cita MLA

Ryan, Cornelius 1920-1974, y Cornelius 1920-1974 Ryan. The Last Battle. New York, New York: Simon and Schuster, 1966.