Dietrich, R. V., & Wicander, R. (1983). Minerals, rocks, and fossils. John Wiley.
Cita Chicago Style (17a ed.)Dietrich, Richard Vincent, y Reed Wicander. Minerals, Rocks, and Fossils. New York: John Wiley, 1983.
Cita MLA (9a ed.)Dietrich, Richard Vincent, y Reed Wicander. Minerals, Rocks, and Fossils. John Wiley, 1983.
Precaución: Estas citas no son 100% exactas.