Citazione APA

SpringerLink (Online service), DeWalle, D. R., Hom, J. L., & Adams, M. B. The Fernow watershed acidification study.

Stile di citazione Chicago

SpringerLink (Online service), David R. DeWalle, John L. Hom, e Mary Beth Adams. The Fernow Watershed Acidification Study.

Citazione MLA

SpringerLink (Online service), et al. The Fernow Watershed Acidification Study.