Mother mallard with her baby ducklings, Seattle, Washington, May 31, 1974

Chicago citation style
Wallen, Don, Unidentified. Mother mallard with her baby ducklings, Seattle, Washington, May 31, 1974. 1974. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/651. (Accessed August 19, 2018.)
APA citation style
Wallen, Don, Unidentified, (1974) Mother mallard with her baby ducklings, Seattle, Washington, May 31, 1974. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/651
MLA citation style
Wallen, Don, Unidentified. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/651>.
Note: These citations are programmatically generated and may be incomplete.