Ralph E. Main

Chicago citation style
Ralph E. Main. 1978-02-20. Retrieved from the Digital Public Library of America, http://search.lib.virginia.edu/catalog/uva-lib:2166119. (Accessed July 18, 2018.)
APA citation style
(1978-02-20) Ralph E. Main. Retrieved from the Digital Public Library of America, http://search.lib.virginia.edu/catalog/uva-lib:2166119
MLA citation style
Retrieved from the Digital Public Library of America <http://search.lib.virginia.edu/catalog/uva-lib:2166119>.
Note: These citations are programmatically generated and may be incomplete.