APA-Zitierstil (7. Ausg.)

Girdner, C. I., & Richardson, W. E. (1970). Soil survey of Dickens County, Texas. U.S. Department of agriculture, Soil conservation service.

Chicago-Zitierstil (17. Ausg.)

Girdner, Charles I., und Wayne E. Richardson. Soil Survey of Dickens County, Texas. Washington: U.S. Department of agriculture, Soil conservation service, 1970.

MLA-Zitierstil (9. Ausg.)

Girdner, Charles I., und Wayne E. Richardson. Soil Survey of Dickens County, Texas. U.S. Department of agriculture, Soil conservation service, 1970.