157 South Hoover, Los Angeles, CA, 1925 [envelope front]

Chicago citation style
157 South Hoover, Los Angeles, CA, 1925 [envelope front]. Retrieved from the Digital Public Library of America, http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll170/id/3862. (Accessed November 18, 2018.)
APA citation style
157 South Hoover, Los Angeles, CA, 1925 [envelope front]. Retrieved from the Digital Public Library of America, http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll170/id/3862
MLA citation style
Retrieved from the Digital Public Library of America <http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll170/id/3862>.
Note: These citations are programmatically generated and may be incomplete.