APA (7th ed.) Citation

Soil Survey and Land Research Centre & Hartnup, R. (1988). Soils in Powys R. Hartnup. Soil Survey and Land Research Centre.

Chicago Style (17th ed.) Citation

Soil Survey and Land Research Centre and R. Hartnup. Soils in Powys R. Hartnup. Silsoe: Soil Survey and Land Research Centre, 1988.

MLA (9th ed.) Citation

Soil Survey and Land Research Centre and R. Hartnup. Soils in Powys R. Hartnup. Soil Survey and Land Research Centre, 1988.

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