APA (7e ed.) Bronvermelding
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 (17e ed.) Bronvermelding
Leopold, Estella B., en Herbert W. Meyer. Saved in Time: The Fight to Establish Florissant Fossil Beds National Monument, Colorado. Albuquerque: University of New Mexico Press, 2012.
MLA (9e ed.) Bronvermelding
Leopold, Estella B., en Herbert W. Meyer. Saved in Time: The Fight to Establish Florissant Fossil Beds National Monument, Colorado. University of New Mexico Press, 2012.
Let op: Deze citaties zijn niet altijd 100% accuraat.