Gaya APA

Ellis, B. (1986). Soil Science Society Of America Vol 50. N0. 3 May - June 1986 . Madison, Wisconsin, AS: Soil Science Society of America, Inc..

Gaya MLA

Ellis, B.G.. "Soil Science Society Of America Vol 50. N0. 3 May - June 1986". Madison, Wisconsin, AS: Soil Science Society of America, Inc., 1986. Text.