SpringerLink (Online service), DeWalle, D. R., Hom, J. L., & Adams, M. B. The Fernow watershed acidification study.
芝加哥风格引文SpringerLink (Online service), David R. DeWalle, John L. Hom, 与 Mary Beth Adams. The Fernow Watershed Acidification Study.
MLA引文SpringerLink (Online service), et al. The Fernow Watershed Acidification Study.
警告：这些引文格式不一定是100％准确.