APA-Zitierstil (7. Ausg.)

(1979). The history of codes and ciphers in the United States prior to world war I. Aegean Park Pr.

Chicago-Zitierstil (17. Ausg.)

The History of Codes and Ciphers in the United States Prior to World War I. Laguna Hills, Calif: Aegean Park Pr, 1979.

MLA-Zitierstil (9. Ausg.)

The History of Codes and Ciphers in the United States Prior to World War I. Aegean Park Pr, 1979.