Pacific willow trunk chewed by beavers

Chicago citation style
Gold, Warren. Pacific willow trunk chewed by beavers. March 2010. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/uwb2/id/2690. (Accessed October 22, 2018.)
APA citation style
Gold, Warren, (March 2010) Pacific willow trunk chewed by beavers. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/uwb2/id/2690
MLA citation style
Gold, Warren. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/uwb2/id/2690>.
Note: These citations are programmatically generated and may be incomplete.