Animal tooth

Chicago citation style
Unknown. Animal tooth. unknown. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/538. (Accessed October 19, 2018.)
APA citation style
Unknown, (unknown) Animal tooth. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/538
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://www.idaillinois.org/cdm/ref/collection/isu2/id/538>.
Note: These citations are programmatically generated and may be incomplete.