Cita APA (7th ed.)

Heller, G. (1981). Das Havelland. Brockhaus.

Cita Chicago (17th ed.)

Heller, Gisela. Das Havelland. Leipzig: Brockhaus, 1981.

Cita MLA (8th ed.)

Heller, Gisela. Das Havelland. Brockhaus, 1981.