Blakey, R. C., & Ranney, W. D. (2018). Ancient Landscapes of Western North America: A Geologic History with Paleogeographic Maps (1st ed. 2018.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-59636-5
Παραπομπή σε μορφή Chicago (17η εκδ.)Blakey, Ronald C., και Wayne D. Ranney. Ancient Landscapes of Western North America: A Geologic History with Paleogeographic Maps. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-59636-5.
Παραπομπή σε μορφή MLA (8th εκδ.)Blakey, Ronald C., και Wayne D. Ranney. Ancient Landscapes of Western North America: A Geologic History with Paleogeographic Maps. 1st ed. 2018. Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-59636-5.
