Smith, P. L., & Tipper, H. W. (1996). Pliensbachian (Lower Jurassic) ammonites of the Queen Charlotte Islands, British Columbia. Paleontological Research Institution.
Chicago Style (17th ed.) CitationSmith, Paul L., and Howard W. Tipper. Pliensbachian (Lower Jurassic) Ammonites of the Queen Charlotte Islands, British Columbia. Ithaca, NY: Paleontological Research Institution, 1996.
MLA (9th ed.) CitationSmith, Paul L., and Howard W. Tipper. Pliensbachian (Lower Jurassic) Ammonites of the Queen Charlotte Islands, British Columbia. Paleontological Research Institution, 1996.
Warning: These citations may not always be 100% accurate.