APA (7th ed.) Citation

Geerdts, H. J. (1965). Der Harz. Brockhaus.

Chicago Style (17th ed.) Citation

Geerdts, Hans Jürgen. Der Harz. Leipzig: Brockhaus, 1965.

MLA (8th ed.) Citation

Geerdts, Hans Jürgen. Der Harz. Brockhaus, 1965.

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