Gaya APA

Wagenet, R, J. (1989). Soil Science Society Of America Journal Vol. 53 No. 5 September - October 1989 . Madison, Wisconsin, AS: Soil Science Society of America, Inc..

Gaya MLA

Wagenet, R., J.. "Soil Science Society Of America Journal Vol. 53 No. 5 September - October 1989". Madison, Wisconsin, AS: Soil Science Society of America, Inc., 1989. Text.