Helen Putnam and other dignitaries at the U.S. Conference of Mayors, Honolulu, Hawaii, June, 1967

Chicago citation style
Helen Putnam and other dignitaries at the U.S. Conference of Mayors, Honolulu, Hawaii, June, 1967. 1967. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/14747. (Accessed December 18, 2018.)
APA citation style
(1967) Helen Putnam and other dignitaries at the U.S. Conference of Mayors, Honolulu, Hawaii, June, 1967. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/14747
MLA citation style
Retrieved from the Digital Public Library of America <http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/14747>.
Note: These citations are programmatically generated and may be incomplete.