Cita APA (7th ed.)

Wittenwiler, H. (1983). Der Ring. Rütten & Loening.

Cita Chicago (17th ed.)

Wittenwiler, Heinrich. Der Ring. Berlin: Rütten & Loening, 1983.

Cita MLA (8th ed.)

Wittenwiler, Heinrich. Der Ring. Rütten & Loening, 1983.