Widdowson, J. P., & Blakemore, L. C. The sulphur status of soils of the South-West Pacific area. Dept. of Scientific and Industrial Research Soil Bureau.
Chicago Style (17th ed.) CitationWiddowson, J. P., and L. C. Blakemore. The Sulphur Status of Soils of the South-West Pacific Area. Lower Hutt, New Zealand: Dept. of Scientific and Industrial Research Soil Bureau.
MLA (9th ed.) CitationWiddowson, J. P., and L. C. Blakemore. The Sulphur Status of Soils of the South-West Pacific Area. Dept. of Scientific and Industrial Research Soil Bureau.
Warning: These citations may not always be 100% accurate.