Cita APA (7th ed.)

Knittel, J. El Hakim: Roman (o.A.). C.A. Kochverlag.

Cita Chicago (17th ed.)

Knittel, John. El Hakim: Roman. o.A. Berlin: C.A. Kochverlag.

Cita MLA (8th ed.)

Knittel, John. El Hakim: Roman. o.A. C.A. Kochverlag.