APA (7th ed.) Citation

Heyl, A. V., Brock, M. R., Jolly, J. L., & Wells, C. E. (1965). Regional structure of the southeast Missouri and Illinois-Kentucky mineral districts: Study of the principal geologic structures and mines in and between two major mineral-producing districts. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Heyl, Allen V., M. R. Brock, J. L. Jolly, and C. E. Wells. Regional Structure of the Southeast Missouri and Illinois-Kentucky Mineral Districts: Study of the Principal Geologic Structures and Mines in and Between Two Major Mineral-producing Districts. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1965.

MLA (9th ed.) Citation

Heyl, Allen V., et al. Regional Structure of the Southeast Missouri and Illinois-Kentucky Mineral Districts: Study of the Principal Geologic Structures and Mines in and Between Two Major Mineral-producing Districts. United States Department of the Interior, Geological Survey, 1965.