Overlay indexes for degree square 20N011W

Chicago citation style
Department of Defense. Defense Intelligence Agency. Central Imagery Processing and Reference Division. 1961?. Overlay indexes for degree square 20N011W. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/27829734. (Accessed November 20, 2018.)
APA citation style
Department of Defense. Defense Intelligence Agency. Central Imagery Processing and Reference Division. 1961?, Overlay indexes for degree square 20N011W. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/27829734
MLA citation style
Department of Defense. Defense Intelligence Agency. Central Imagery Processing and Reference Division. 1961?. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/27829734>.
Note: These citations are programmatically generated and may be incomplete.