International Union of Soil Sciences, Soil Science Society of America, World Congress of Soil Science, & Warkentin, B. P. (2006). Footprints in the soil: People and ideas in soil history. Elsevier.
Chicago Style (17th ed.) CitationInternational Union of Soil Sciences, Soil Science Society of America, World Congress of Soil Science, and Benno P. Warkentin. Footprints in the Soil: People and Ideas in Soil History. Amsterdam ; Boston: Elsevier, 2006.
MLA (9th ed.) CitationInternational Union of Soil Sciences, et al. Footprints in the Soil: People and Ideas in Soil History. Elsevier, 2006.
Warning: These citations may not always be 100% accurate.