Gaya APA

Wilson, G. (1987). Soil Science Society Of America Journal Vol. 51 No. 4 July - August 1987 . Madison, Wisconsin, AS: Soil Science Society of America, Inc..

Gaya MLA

Wilson, G.V.. "Soil Science Society Of America Journal Vol. 51 No. 4 July - August 1987". Madison, Wisconsin, AS: Soil Science Society of America, Inc., 1987. Text.