Sims, P. K., & Morey, G. B. (1966). Geologic Sketch of the Tower-Soudan Stare Park. University of Minnesota.
Cita Chicago Style (17a ed.)Sims, P. K., y G. B. Morey. Geologic Sketch of the Tower-Soudan Stare Park. Minneapolis: University of Minnesota, 1966.
Cita MLA (9a ed.)Sims, P. K., y G. B. Morey. Geologic Sketch of the Tower-Soudan Stare Park. University of Minnesota, 1966.
Precaución: Estas citas no son 100% exactas.