Overlay indexes for degree square 21N159W

Chicago citation style
Department of Defense. Defense Intelligence Agency. Central Imagery Processing and Reference Division. 1961?. Overlay indexes for degree square 21N159W. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/27831281. (Accessed November 17, 2018.)
APA citation style
Department of Defense. Defense Intelligence Agency. Central Imagery Processing and Reference Division. 1961?, Overlay indexes for degree square 21N159W. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/27831281
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/27831281>.
Note: These citations are programmatically generated and may be incomplete.