Ernst Kristoffersen (at left), Jorgen Jorgensen, and Conrad O. Matled on a bench in Marvin Garden's in the Ballard neighborhood, Seattle, Washington, July 9, 1977

Chicago citation style
Wallen, Don, Unidentified. Ernst Kristoffersen (at left), Jorgen Jorgensen, and Conrad O. Matled on a bench in Marvin Garden's in the Ballard neighborhood, Seattle, Washington, July 9, 1977. 1977. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/1082. (Accessed October 16, 2018.)
APA citation style
Wallen, Don, Unidentified, (1977) Ernst Kristoffersen (at left), Jorgen Jorgensen, and Conrad O. Matled on a bench in Marvin Garden's in the Ballard neighborhood, Seattle, Washington, July 9, 1977. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/1082
MLA citation style
Wallen, Don, Unidentified. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/1082>.
Note: These citations are programmatically generated and may be incomplete.