Cita APA (7a ed.)

Constantin, T. (1965). Geheimcode Y. Buchclub 65.

Cita Chicago Style (17a ed.)

Constantin, Theodor. Geheimcode Y. Berlin: Buchclub 65, 1965.

Cita MLA (8a ed.)

Constantin, Theodor. Geheimcode Y. Buchclub 65, 1965.