Cita APA (7a ed.)
Leopold, E. B., & Meyer, H. W. (2012). Saved in time: The fight to establish Florissant Fossil Beds National Monument, Colorado. University of New Mexico Press.
Cita Chicago Style (17a ed.)
Leopold, Estella B., y Herbert W. Meyer. Saved in Time: The Fight to Establish Florissant Fossil Beds National Monument, Colorado. Albuquerque: University of New Mexico Press, 2012.
Cita MLA (9a ed.)
Leopold, Estella B., y Herbert W. Meyer. Saved in Time: The Fight to Establish Florissant Fossil Beds National Monument, Colorado. University of New Mexico Press, 2012.
Precaución: Estas citas no son 100% exactas.