Gaya APA

Williams, R, J, P., Selva, J, J, R, F, T. (1991). The biological chemistry of the elements: the Inorganic chemistry of Life . Oxford: Clarndore Press.

Gaya MLA

Williams, R., J., P.., Selva, J., J., R., Frans, Toda. "The biological chemistry of the elements: the Inorganic chemistry of Life". Oxford: Clarndore Press, 1991. Text.