Gaya APA

Gimenez, D. et al (1997). Soil Science Society of America Journal Vol. 61 No. 5 September-October 1997 (Vol. 61 No. 5). Madison, Wisconsin, AS: .

Gaya MLA

Gimenez, D.. et al. "Soil Science Society of America Journal Vol. 61 No. 5 September-October 1997". Vol. 61 No. 5 Madison, Wisconsin, AS: , 1997. Text.