Gaya APA

Schuh, W, M. (1990). Soil Science Society of America Journal Vol. 54 No. 6 November - December 1990 (Vol. 54 No. 6). Madison, Wisconsin, AS: Wiley.

Gaya MLA

Schuh, W., M.. "Soil Science Society of America Journal Vol. 54 No. 6 November - December 1990". Vol. 54 No. 6 Madison, Wisconsin, AS: Wiley, 1990. Text.