APA (7th ed.) Citation

Ahlhelm, G. (1973). Ilsenburg am Harz. Brockhaus.

Chicago Style (17th ed.) Citation

Ahlhelm, Günter. Ilsenburg Am Harz. Leipzig: Brockhaus, 1973.

MLA (8th ed.) Citation

Ahlhelm, Günter. Ilsenburg Am Harz. Brockhaus, 1973.

Warning: These citations may not always be 100% accurate.