APA (7th ed.) Citation

Hallowich, J. S. (1988). Soil survey of Clearfield County, Pennsylvania. The Service.

Chicago Style (17th ed.) Citation

Hallowich, Joseph S. Soil Survey of Clearfield County, Pennsylvania. [Washington, D.C.?]: The Service, 1988.

MLA (9th ed.) Citation

Hallowich, Joseph S. Soil Survey of Clearfield County, Pennsylvania. The Service, 1988.