Gaya APA

Baker, J, M. (1990). Soil Science Society of America Journal Vol. 54 No. 1 January - Februay 1990 (Vol. 54 No. 1). Madison, Wisconsin, AS: Soil Science Socity of America.

Gaya MLA

Baker, J., M.. "Soil Science Society of America Journal Vol. 54 No. 1 January - Februay 1990". Vol. 54 No. 1 Madison, Wisconsin, AS: Soil Science Socity of America, 1990. Text.