Wahlstrom, E. E. (1950). Igneous minerals and rocks. John Wiley and Sons.
Cita Chicago Style (17a ed.)Wahlstrom, Ernest E. Igneous Minerals and Rocks. New York: John Wiley and Sons, 1950.
Cita MLA (9a ed.)Wahlstrom, Ernest E. Igneous Minerals and Rocks. John Wiley and Sons, 1950.
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