APA (7th ed.) Citation

Holl, P. Die Wasserturbinen. de Gruyter.

Chicago Style (17th ed.) Citation

Holl, Paul. Die Wasserturbinen. Berlin [u.a.]: de Gruyter.

MLA (9th ed.) Citation

Holl, Paul. Die Wasserturbinen. de Gruyter.

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