Kennedy, W. J. (1988). Late Cenomanian and Turonian ammonite faunas from north-east and central Texas. Palaeontol. Ass.
Chicago-Zitierstil (17. Ausg.)Kennedy, William J. Late Cenomanian and Turonian Ammonite Faunas from North-east and Central Texas. London: Palaeontol. Ass, 1988.
MLA-Zitierstil (9. Ausg.)Kennedy, William J. Late Cenomanian and Turonian Ammonite Faunas from North-east and Central Texas. Palaeontol. Ass, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.