Beard, G. R., Thompson, T. R. E., & Lea, J. W. (1987). Soils of the Liverpool District [Sheet 108] / G.R. Beard, T.R.E. Thompson and J.W. Lea. Soil Survey of England and Wales.
Chicago Style (17th ed.) CitationBeard, G. R., T. R. E. Thompson, and J. W. Lea. Soils of the Liverpool District [Sheet 108] / G.R. Beard, T.R.E. Thompson and J.W. Lea. Harpenden: Soil Survey of England and Wales, 1987.
MLA (9th ed.) CitationBeard, G. R., et al. Soils of the Liverpool District [Sheet 108] / G.R. Beard, T.R.E. Thompson and J.W. Lea. Soil Survey of England and Wales, 1987.
Warning: These citations may not always be 100% accurate.