APA (7th ed.) Citation

Hoppe, D. A. S. (1989). Soil survey of Essex County, Virginia. The Service.

Chicago Style (17th ed.) Citation

Hoppe, Diane A. S. Soil Survey of Essex County, Virginia. [Washington, D.C.?]: The Service, 1989.

MLA (9th ed.) Citation

Hoppe, Diane A. S. Soil Survey of Essex County, Virginia. The Service, 1989.