Gaya APA

Warrick, A, W. (1993). Soil Science Society of America Journal Vol. 57 No. 3 May - June 1993 (Vol. 57 No. 3). Madison, Wisconsin, AS: Soil Science Socity of America.

Gaya MLA

Warrick, A., W.. "Soil Science Society of America Journal Vol. 57 No. 3 May - June 1993". Vol. 57 No. 3 Madison, Wisconsin, AS: Soil Science Socity of America, 1993. Text.