Map of the bituminous coal fields of Alabama

Chicago citation style
Wagner & M'Guigan. Map of the bituminous coal fields of Alabama. [185-?]. Retrieved from the Digital Public Library of America, http://search.lib.virginia.edu/catalog/uva-lib:602670. (Accessed July 18, 2018.)
APA citation style
Wagner & M'Guigan, ([185-?]) Map of the bituminous coal fields of Alabama. Retrieved from the Digital Public Library of America, http://search.lib.virginia.edu/catalog/uva-lib:602670
MLA citation style
Wagner & M'Guigan. Retrieved from the Digital Public Library of America <http://search.lib.virginia.edu/catalog/uva-lib:602670>.
Note: These citations are programmatically generated and may be incomplete.