Cita APA (7th ed.)

Merle, R., & Zak, E. (1967). Die Insel: Roman. Buchclub 65.

Cita Chicago (17th ed.)

Merle, Robert, i Eduard Zak. Die Insel: Roman. Berlin: Buchclub 65, 1967.

Cita MLA (8th ed.)

Merle, Robert, i Eduard Zak. Die Insel: Roman. Buchclub 65, 1967.