APA (7th ed.) Citation

McWilliams, K. M. (1989). Soil survey of Gibson County, Indiana. The Service.

Chicago Style (17th ed.) Citation

McWilliams, Kendall M. Soil Survey of Gibson County, Indiana. [Washington, D.C.?]: The Service, 1989.

MLA (9th ed.) Citation

McWilliams, Kendall M. Soil Survey of Gibson County, Indiana. The Service, 1989.

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