Cita APA (7th ed.)

Knape, W. (1985). In Bulgarien. Brockhaus.

Cita Chicago (17th ed.)

Knape, Wolfgang. In Bulgarien. Leipzig: Brockhaus, 1985.

Cita MLA (8th ed.)

Knape, Wolfgang. In Bulgarien. Brockhaus, 1985.