APA (7e ed.) Bronvermelding
Blewett, W. L. (2012). Geology and landscape of Michigan's Pictured Rocks National Lakeshore and vicinity. Wayne State University Press.
Chicago (17e ed.) Bronvermelding
Blewett, William L. Geology and Landscape of Michigan's Pictured Rocks National Lakeshore and Vicinity. Detroit: Wayne State University Press, 2012.
MLA (9e ed.) Bronvermelding
Blewett, William L. Geology and Landscape of Michigan's Pictured Rocks National Lakeshore and Vicinity. Wayne State University Press, 2012.
Let op: Deze citaties zijn niet altijd 100% accuraat.