Unidentified people on motorcycles in Petaluma, California, 1973

Chicago citation style
Unidentified people on motorcycles in Petaluma, California, 1973. 1973. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/12459. (Accessed December 17, 2018.)
APA citation style
(1973) Unidentified people on motorcycles in Petaluma, California, 1973. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/12459
MLA citation style
Retrieved from the Digital Public Library of America <http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/12459>.
Note: These citations are programmatically generated and may be incomplete.