Notes on an unusually fine slab of fossil crinoids

Chicago citation style
Bassler, Ray S. Notes on an unusually fine slab of fossil crinoids. 1913. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85932&repo=DPLA. (Accessed December 11, 2018.)
APA citation style
Bassler, Ray S, (1913) Notes on an unusually fine slab of fossil crinoids. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85932&repo=DPLA
MLA citation style
Bassler, Ray S. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85932&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.