Não informado. (1971). Bibliography and Index of Micropaleontology. American Museum of Natural History.
Chicago-Zitierstil (17. Ausg.)Não informado. Bibliography and Index of Micropaleontology. New York: American Museum of Natural History, 1971.
MLA-Zitierstil (8. Ausg.)Não informado. Bibliography and Index of Micropaleontology. American Museum of Natural History, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.