APA (7th ed.) Citation

(1929). Die Bergbau-Industrie - 1929, 027.

Chicago Style (17th ed.) Citation

Die Bergbau-Industrie - 1929, 027. 1929.

MLA (8th ed.) Citation

Die Bergbau-Industrie - 1929, 027. 1929.

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