APA-viite (7. p.)
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.
Chicago-viite (17. p.)
Leopold, Estella B., ja Herbert W. Meyer. Saved in Time: The Fight to Establish Florissant Fossil Beds National Monument, Colorado. Albuquerque: University of New Mexico Press, 2012.
MLA-viite (9. p.)
Leopold, Estella B., ja Herbert W. Meyer. Saved in Time: The Fight to Establish Florissant Fossil Beds National Monument, Colorado. University of New Mexico Press, 2012.
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