APA Style
Egan, D, J, D, N, A, R. (1975).
Trace Elements in Soil-Plant-Animal Systems .
London ; New York:
Academic Press.
MLA Style
Egan, D., J., D., Nicholas;, Adrian, R..
"Trace Elements in Soil-Plant-Animal Systems".
London ; New York:
Academic Press,
1975.
BOOK.