Lea, J. W., & Thompson, T. R. E. (1978). Soils in Clwyd 1 : Sheet SJ 35 (Wrexham North) / by J.W. Lea and T.R.E. Thompson: Sheet SJ 35 (Wrexham North). Soil Survey of England and Wales.
Chicago Style (17th ed.) CitationLea, J. W., and T. R. E. Thompson. Soils in Clwyd 1 : Sheet SJ 35 (Wrexham North) / by J.W. Lea and T.R.E. Thompson: Sheet SJ 35 (Wrexham North). Soil Survey of England and Wales, 1978.
MLA (9th ed.) CitationLea, J. W., and T. R. E. Thompson. Soils in Clwyd 1 : Sheet SJ 35 (Wrexham North) / by J.W. Lea and T.R.E. Thompson: Sheet SJ 35 (Wrexham North). Soil Survey of England and Wales, 1978.
Warning: These citations may not always be 100% accurate.