Johnson, A. M. (1979). The Maple Block knoll reef in the Bush Bay Dolostone (Silurian, Engadine group), northern peninsula of Michigan. Museum of Paleontology.
Chicago Style (17th ed.) CitationJohnson, A. M. The Maple Block Knoll Reef in the Bush Bay Dolostone (Silurian, Engadine Group), Northern Peninsula of Michigan. [Ann Arbor]: Museum of Paleontology, 1979.
MLA (8th ed.) CitationJohnson, A. M. The Maple Block Knoll Reef in the Bush Bay Dolostone (Silurian, Engadine Group), Northern Peninsula of Michigan. Museum of Paleontology, 1979.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.