Gaya APA

Kluitenberg, G, J. (1990). Soil Science Society of America Journal Vol. 54 No. 5 September - October 1990 (Vol. 54 No. 5). Madison, Wisconsin, AS: Soil Science Socity of America.

Gaya MLA

Kluitenberg, Gerard, J.. "Soil Science Society of America Journal Vol. 54 No. 5 September - October 1990". Vol. 54 No. 5 Madison, Wisconsin, AS: Soil Science Socity of America, 1990. Text.