Gaya APA

Martinez, G. (1995). Soil Science Society Of America Journal Vol. 59 No. 1 January - February 1995 . Madison, Wisconsin, AS: Soil Science Society of America, Inc..

Gaya MLA

Martinez, G.. "Soil Science Society Of America Journal Vol. 59 No. 1 January - February 1995". Madison, Wisconsin, AS: Soil Science Society of America, Inc., 1995. Text.