Macroregion R4 CPZ Zoning Map Based on A4074G

Chicago citation style
G. William Skinner; Xue Liu. Macroregion R4 CPZ Zoning Map Based on A4074G. 1990-2000. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/skinner/id/827. (Accessed June 25, 2018.)
APA citation style
G. William Skinner; Xue Liu, (1990-2000) Macroregion R4 CPZ Zoning Map Based on A4074G. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/skinner/id/827
MLA citation style
G. William Skinner; Xue Liu. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/skinner/id/827>.
Note: These citations are programmatically generated and may be incomplete.