Gaya APA

Peters, R. (1987). Soil Science Society Of America Journal Vol. 51 No. 3 May-June 1987 . Madison, Wisconsin, AS: Soil Science Society of America, Inc..

Gaya MLA

Peters, R.. "Soil Science Society Of America Journal Vol. 51 No. 3 May-June 1987". Madison, Wisconsin, AS: Soil Science Society of America, Inc., 1987. Text.