Gaya APA

Mansell, R, S. (1993). Soil Science Society of America Journal Vol. 57 No. 1 January - February 1993 (Vol. 57 No. 1). Madison, Wisconsin, AS: Wiley.

Gaya MLA

Mansell, R., S.. "Soil Science Society of America Journal Vol. 57 No. 1 January - February 1993". Vol. 57 No. 1 Madison, Wisconsin, AS: Wiley, 1993. Text.