APA (7th ed.) Citation

Willman, H. B. (1943). High-purity dolomite in Illinois. [publisher not identified].

Chicago Style (17th ed.) Citation

Willman, H. B. High-purity Dolomite in Illinois. Urbana, Ill.: [publisher not identified], 1943.

MLA (9th ed.) Citation

Willman, H. B. High-purity Dolomite in Illinois. [publisher not identified], 1943.

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