APA (7th ed.) Citation

Durst, W., & Vogt, W. (1988). Bucket wheel excavator. Trans Tech Publications.

Chicago Style (17th ed.) Citation

Durst, W., and W. Vogt. Bucket Wheel Excavator. Republic of Germany: Trans Tech Publications, 1988.

MLA (9th ed.) Citation

Durst, W., and W. Vogt. Bucket Wheel Excavator. Trans Tech Publications, 1988.