South portal of the Great Northern Railroad tunnel, Seattle

Chicago citation style
Curtis, Asahel, 1874-1941. South portal of the Great Northern Railroad tunnel, Seattle. 1904. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/curtis/id/1543. (Accessed October 16, 2018.)
APA citation style
Curtis, Asahel, 1874-1941, (1904) South portal of the Great Northern Railroad tunnel, Seattle. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/curtis/id/1543
MLA citation style
Curtis, Asahel, 1874-1941. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/curtis/id/1543>.
Note: These citations are programmatically generated and may be incomplete.