APA (7th ed.) Citation

Allison, J. W., & Hartnup, R. (1981). Soils in North Yorkshire 6 : Sheet SE39 (Northallerton) / by J.W. Allison and R. Hartnup: Sheet SE39 (Northallerton). Soil Survey of England and Wales.

Chicago Style (17th ed.) Citation

Allison, J. W., and R. Hartnup. Soils in North Yorkshire 6 : Sheet SE39 (Northallerton) / by J.W. Allison and R. Hartnup: Sheet SE39 (Northallerton). Soil Survey of England and Wales, 1981.

MLA (9th ed.) Citation

Allison, J. W., and R. Hartnup. Soils in North Yorkshire 6 : Sheet SE39 (Northallerton) / by J.W. Allison and R. Hartnup: Sheet SE39 (Northallerton). Soil Survey of England and Wales, 1981.

Warning: These citations may not always be 100% accurate.