Strata of earth, Southern California, 1931 [image]

Chicago citation style
Strata of earth, Southern California, 1931 [image]. Retrieved from the Digital Public Library of America, http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll170/id/3371. (Accessed November 17, 2018.)
APA citation style
Strata of earth, Southern California, 1931 [image]. Retrieved from the Digital Public Library of America, http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll170/id/3371
MLA citation style
Retrieved from the Digital Public Library of America <http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll170/id/3371>.
Note: These citations are programmatically generated and may be incomplete.