Gaya APA

McNabb, D, H., Boersma, L. (1996). Soil Science Society of America Journal Vol. 60 No. 2 March-April 1996 (Vol. 60 No. 2). Madison, Wisconsin, AS: .

Gaya MLA

McNabb, D., H., Boersma, L.. "Soil Science Society of America Journal Vol. 60 No. 2 March-April 1996". Vol. 60 No. 2 Madison, Wisconsin, AS: , 1996. Text.