Gaya APA

Cassel, D. (1986). Soil Science Society Of America Vol. 50 No. 5 September - October 1986 (Vol. 50 No. 5). Madison, Wisconsin, AS: Soil Science Society of America, Inc..

Gaya MLA

Cassel, D.K.. "Soil Science Society Of America Vol. 50 No. 5 September - October 1986". Vol. 50 No. 5 Madison, Wisconsin, AS: Soil Science Society of America, Inc., 1986. Text.