Underwood, E. J. (1977). Trace elements in human and animal nutrition (4th ed.). Academic Press.
Chicago Style (17th ed.) CitationUnderwood, Eric John. Trace Elements in Human and Animal Nutrition. 4th ed. New York: Academic Press, 1977.
MLA (9th ed.) CitationUnderwood, Eric John. Trace Elements in Human and Animal Nutrition. 4th ed. Academic Press, 1977.
Warning: These citations may not always be 100% accurate.