Cita APA (7th ed.)

Mader, J. (1961). Die graue Hand. Kongress-Verlag.

Cita Chicago (17th ed.)

Mader, Julius. Die Graue Hand. Berlin: Kongress-Verlag, 1961.

Cita MLA (8th ed.)

Mader, Julius. Die Graue Hand. Kongress-Verlag, 1961.