APA (7th ed.) Citation

Nelson, W. J., & Lumm, D. K. (1987). Structural geology of southeastern Illinois and vicinity.

Chicago Style (17th ed.) Citation

Nelson, W. James, and Donald K. Lumm. Structural Geology of Southeastern Illinois and Vicinity. Champaign, Ill, 1987.

MLA (9th ed.) Citation

Nelson, W. James, and Donald K. Lumm. Structural Geology of Southeastern Illinois and Vicinity. 1987.

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