APA (7th ed.) Citation

Ziegler, V. The potash deposits of the sand hills region of Northwestern Nebraska.

Chicago Style (17th ed.) Citation

Ziegler, Victor. The Potash Deposits of the Sand Hills Region of Northwestern Nebraska.

MLA (9th ed.) Citation

Ziegler, Victor. The Potash Deposits of the Sand Hills Region of Northwestern Nebraska.

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