Cita APA

Summers, A., & Mangold, T. (1976). The file on the Tsar (1st U.S. ed.). fontana.

Chicago Edition Citation

Summers, Anthony, i Tom Mangold. The File on the Tsar. 1st U.S. ed. New York: fontana, 1976.

Cita MLA

Summers, Anthony, i Tom Mangold. The File on the Tsar. 1st U.S. ed. fontana, 1976.