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 Style (17th ed.) CitationCrick, 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 (9th ed.) CitationCrick, Rex E. Morphological Variations in the Ammonite Scaphites of the Blue Hill Member, Carlile Shale, Upper Cretaceous, Kansas. University of Kansas Publications, 1978.
Warning: These citations may not always be 100% accurate.