Gaya APA

Trendall, A, &, M, R. (1983). Iron-Formation: Facts and Problems : Developments in Precambrian Geology 6 . New York: Elsevier.

Gaya MLA

Trendall, A.F., &, Morris, R.C.. "Iron-Formation: Facts and Problems : Developments in Precambrian Geology 6". New York: Elsevier, 1983. Text.