Macroregional Map--R32 SW Frame: RCS 622901 630101 620101 620401 640101

Chicago citation style
G. William Skinner; Xue Liu. Macroregional Map--R32 SW Frame: RCS 622901 630101 620101 620401 640101. 1990-2000. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/skinner/id/1051. (Accessed July 22, 2018.)
APA citation style
G. William Skinner; Xue Liu, (1990-2000) Macroregional Map--R32 SW Frame: RCS 622901 630101 620101 620401 640101. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/skinner/id/1051
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/1051>.
Note: These citations are programmatically generated and may be incomplete.