The simple ascidians from the northeastern Pacific in the collection of the United States National Museum

Chicago citation style
Ritter, William E. The simple ascidians from the northeastern Pacific in the collection of the United States National Museum. 1913. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85912&repo=DPLA. (Accessed November 20, 2018.)
APA citation style
Ritter, William E, (1913) The simple ascidians from the northeastern Pacific in the collection of the United States National Museum. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85912&repo=DPLA
MLA citation style
Ritter, William E. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_85912&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.