Grand Coulee Region with Steamboat rock, Washington, ca. 1920s

Chicago citation style
Guilbert, Frank W., d. 1940. Grand Coulee Region with Steamboat rock, Washington, ca. 1920s. ca. 1925. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/loc/id/1001. (Accessed August 15, 2018.)
APA citation style
Guilbert, Frank W., d. 1940, (ca. 1925) Grand Coulee Region with Steamboat rock, Washington, ca. 1920s. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/loc/id/1001
MLA citation style
Guilbert, Frank W., d. 1940. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/loc/id/1001>.
Note: These citations are programmatically generated and may be incomplete.