Cita APA (7a ed.)

McKay, C. G., & Beckman, B. (2003). Swedish signal intelligence, 1900-1945. Frank Cass.

Cita Chicago Style (17a ed.)

McKay, C. G., y Bengt Beckman. Swedish Signal Intelligence, 1900-1945. London ; Portland, Or.: Frank Cass, 2003.

Cita MLA (9a ed.)

McKay, C. G., y Bengt Beckman. Swedish Signal Intelligence, 1900-1945. Frank Cass, 2003.