Mt. Baker glacial ravine, Washington, ca. 1919

Chicago citation style
Cox, A.H.. Mt. Baker glacial ravine, Washington, ca. 1919. ca. 1919. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/5484. (Accessed October 19, 2018.)
APA citation style
Cox, A.H., (ca. 1919) Mt. Baker glacial ravine, Washington, ca. 1919. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/5484
MLA citation style
Cox, A.H.. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/5484>.
Note: These citations are programmatically generated and may be incomplete.