APA (7th ed.) Citation

Willman, H. B., Willman, H. B., Glass, H. D., & Frye, J. C. (1966). Mineralogy of glacial tills and their weathering profiles in Illinois.

Chicago Style (17th ed.) Citation

Willman, Harold Bowen, Harold Bowen Willman, Herbert D. Glass, and John Chapman Frye. Mineralogy of Glacial Tills and Their Weathering Profiles in Illinois. Urbana, Ill, 1966.

MLA (9th ed.) Citation

Willman, Harold Bowen, et al. Mineralogy of Glacial Tills and Their Weathering Profiles in Illinois. 1966.