APA (7th ed.) Citation

Eck, H. (1991). Schwarzwald (1. Aufl.). Walter.

Chicago Style (17th ed.) Citation

Eck, Helmut. Schwarzwald. 1. Aufl. Olten u.a: Walter, 1991.

MLA (9th ed.) Citation

Eck, Helmut. Schwarzwald. 1. Aufl. Walter, 1991.

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