Crick, R. E. (1978). Morphological variations in the ammonite Scaphites of the Blue Hill Member, Carlile Shale, upper Cretaceous, Kansas. University of Kansas Publications.
Chicago-Zitierstil (17. Ausg.)Crick, Rex E. Morphological Variations in the Ammonite Scaphites of the Blue Hill Member, Carlile Shale, Upper Cretaceous, Kansas. Lawrence, Kansas: University of Kansas Publications, 1978.
MLA-Zitierstil (9. Ausg.)Crick, Rex E. Morphological Variations in the Ammonite Scaphites of the Blue Hill Member, Carlile Shale, Upper Cretaceous, Kansas. University of Kansas Publications, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.