Cita APA (7th ed.)

Forster, G., & Kahn, R. L. (1968). A voyage round the world. Akad.-Verl..

Cita Chicago (17th ed.)

Forster, Georg, i Robert L. Kahn. A Voyage Round the World. Berlin: Akad.-Verl., 1968.

Cita MLA (8th ed.)

Forster, Georg, i Robert L. Kahn. A Voyage Round the World. Akad.-Verl., 1968.