APA (7th ed.) Zitazioa

Blewett. Geology and Landscape of Michigan’s Pictured Rocks National Lakeshore and Vicinity. Wayne State University Press.

Chicago Style (17th ed.) Zitazioa

Blewett. Geology and Landscape of Michigan’s Pictured Rocks National Lakeshore and Vicinity. Wayne State University Press.

MLA (9th ed.) Zitazioa

Blewett. Geology and Landscape of Michigan’s Pictured Rocks National Lakeshore and Vicinity. Wayne State University Press.

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