Cobban, W., & Kennedy, W. (1991). New records of the ammonite subfamily Texanitinae in Campanian (Upper Cretaceous) rocks in the Western Interior of the United States.
Chicago Style (17th ed.) CitationCobban, W., and W. Kennedy. New Records of the Ammonite Subfamily Texanitinae in Campanian (Upper Cretaceous) Rocks in the Western Interior of the United States. 1991.
MLA (9th ed.) CitationCobban, W., and W. Kennedy. New Records of the Ammonite Subfamily Texanitinae in Campanian (Upper Cretaceous) Rocks in the Western Interior of the United States. 1991.
Warning: These citations may not always be 100% accurate.