Nicholas, D. J., & Egan, A. R. (1975). Trace elements in soil-plant-animal systems. Academic Press.
Chicago Style (17th ed.) CitationNicholas, D. J., and Adrian R. Egan. Trace Elements in Soil-plant-animal Systems. New York: Academic Press, 1975.
MLA (9th ed.) CitationNicholas, D. J., and Adrian R. Egan. Trace Elements in Soil-plant-animal Systems. Academic Press, 1975.