Central heating tunnels

Chicago citation style
Central heating tunnels. 1950-07-23. Retrieved from the Digital Public Library of America, http://search.lib.virginia.edu/catalog/uva-lib:2160912. (Accessed October 22, 2018.)
APA citation style
(1950-07-23) Central heating tunnels. Retrieved from the Digital Public Library of America, http://search.lib.virginia.edu/catalog/uva-lib:2160912
MLA citation style
Retrieved from the Digital Public Library of America <http://search.lib.virginia.edu/catalog/uva-lib:2160912>.
Note: These citations are programmatically generated and may be incomplete.