APA (7th ed.) Citation

Robbins, J. M., Jr, & Robards, H. M. (1978). Soil survey of Vermillion County, Indiana. The Service.

Chicago Style (17th ed.) Citation

Robbins, John M., Jr, and H. Mac Robards. Soil Survey of Vermillion County, Indiana. [Washington, D.C.]: The Service, 1978.

MLA (9th ed.) Citation

Robbins, John M., Jr, and H. Mac Robards. Soil Survey of Vermillion County, Indiana. The Service, 1978.