APA (7th ed.) Citation

Wildeman, D. (1988). The Zollern coal-mine.

Chicago Style (17th ed.) Citation

Wildeman, Diether. The Zollern Coal-mine. 1988.

MLA (9th ed.) Citation

Wildeman, Diether. The Zollern Coal-mine. 1988.

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