Sitka spruce needles

Chicago citation style
Gold, Warren. Sitka spruce needles. April 2009. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/uwb2/id/1425. (Accessed June 18, 2018.)
APA citation style
Gold, Warren, (April 2009) Sitka spruce needles. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/uwb2/id/1425
MLA citation style
Gold, Warren. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/uwb2/id/1425>.
Note: These citations are programmatically generated and may be incomplete.