Landman, N. H., Kennedy, W. J., Grier, J. C., Larson, N. L., Grier, J. W., Linn, T., . . . Jicha, B. R. (2020). Large scaphitid ammonites (Hoploscaphites) from the Upper Cretaceous (upper Campanian-lower Maastrichtian) of North America: Endless variation on a single theme. American Museum of Natural History.
Chicago-Zitierstil (17. Ausg.)Landman, Neil H., W. James Kennedy, Joyce C. Grier, Neal L. Larson, James W. Grier, Thomas Linn, Lydia Tackett, und Brian R. Jicha. Large Scaphitid Ammonites (Hoploscaphites) from the Upper Cretaceous (upper Campanian-lower Maastrichtian) of North America: Endless Variation on a Single Theme. New York, NY: American Museum of Natural History, 2020.
MLA-Zitierstil (9. Ausg.)Landman, Neil H., et al. Large Scaphitid Ammonites (Hoploscaphites) from the Upper Cretaceous (upper Campanian-lower Maastrichtian) of North America: Endless Variation on a Single Theme. American Museum of Natural History, 2020.