APA (7th ed.) Citation

Kirby, R. M. (1984). Soil survey of Hertford County North Carolina. U.S. Dept. of Agriculture, Soil Conservation Service.

Chicago Style (17th ed.) Citation

Kirby, Robert M. Soil Survey of Hertford County North Carolina. [Washington, D.C.?]: U.S. Dept. of Agriculture, Soil Conservation Service, 1984.

MLA (9th ed.) Citation

Kirby, Robert M. Soil Survey of Hertford County North Carolina. U.S. Dept. of Agriculture, Soil Conservation Service, 1984.