Gaya APA

Skopp, J. (1985). Soil Science Society of America Journal Vol. 49 No. 6 November - December 1985 (Vol. 49 No. 6). Madison, Wisconsin, AS: Wiley.

Gaya MLA

Skopp, J.. "Soil Science Society of America Journal Vol. 49 No. 6 November - December 1985". Vol. 49 No. 6 Madison, Wisconsin, AS: Wiley, 1985. Text.