Dyfyniad APA

Mittlefehldt, S., & Cronon, W. (2013). Tangled roots: The Appalachian Trail and American environmental politics. University of Washington Press.

Dyfyniad Arddull Chicago

Mittlefehldt, Sarah, and William Cronon. Tangled Roots: The Appalachian Trail and American Environmental Politics. Seattle: University of Washington Press, 2013.

Dyfyniad MLA

Mittlefehldt, Sarah, and William Cronon. Tangled Roots: The Appalachian Trail and American Environmental Politics. University of Washington Press, 2013.

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