APA (7th ed.) Citation

Hilberg, S. D., Vinzani, P. G., & Changnon, S. A. (1983). The severe winter of 1981-1982 in Illinois. Illinois State Water Survey.

Chicago Style (17th ed.) Citation

Hilberg, Steven D., Peter G. Vinzani, and Stanley A. Changnon. The Severe Winter of 1981-1982 in Illinois. Champaign: Illinois State Water Survey, 1983.

MLA (9th ed.) Citation

Hilberg, Steven D., et al. The Severe Winter of 1981-1982 in Illinois. Illinois State Water Survey, 1983.