(1986). Cretaceous biofaces of the central part of the western interior seaway: A field guidebook. Univ. of Colorado, Dept. of Geological Science.
Chicago-Zitierstil (17. Ausg.)Cretaceous Biofaces of the Central Part of the Western Interior Seaway: A Field Guidebook. Boulder, Colo: Univ. of Colorado, Dept. of Geological Science, 1986.
MLA-Zitierstil (9. Ausg.)Cretaceous Biofaces of the Central Part of the Western Interior Seaway: A Field Guidebook. Univ. of Colorado, Dept. of Geological Science, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.