APA (7th ed.) Citation

Payton, R. W., & Palmer, R. C. (1990). Soils of the Alnwick and Rothbury district : sheet 81: Sheet 81. Soil Survey and Land Research Centre.

Chicago Style (17th ed.) Citation

Payton, R. W., and R. C. Palmer. Soils of the Alnwick and Rothbury District : Sheet 81: Sheet 81. Bedford: Soil Survey and Land Research Centre, 1990.

MLA (9th ed.) Citation

Payton, R. W., and R. C. Palmer. Soils of the Alnwick and Rothbury District : Sheet 81: Sheet 81. Soil Survey and Land Research Centre, 1990.

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