Surveyor J.J. Dewitt at work for White Pass and Yukon Railroad, probably Alaska, ca. 1898

Chicago citation style
Hegg, Eric A., 1867-1948. Surveyor J.J. Dewitt at work for White Pass and Yukon Railroad, probably Alaska, ca. 1898. ca. 1898. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hegg/id/409. (Accessed June 25, 2018.)
APA citation style
Hegg, Eric A., 1867-1948, (ca. 1898) Surveyor J.J. Dewitt at work for White Pass and Yukon Railroad, probably Alaska, ca. 1898. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hegg/id/409
MLA citation style
Hegg, Eric A., 1867-1948. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hegg/id/409>.
Note: These citations are programmatically generated and may be incomplete.