Central Europe 1:250,000 Koln NM 32-4. Koln, Germany; Belgium; Luxembourg; Netherlands / printed by Army Map Service, Corps of Engineers

Chicago citation style
Central Europe 1:250,000 Koln NM 32-4. Koln, Germany; Belgium; Luxembourg; Netherlands / printed by Army Map Service, Corps of Engineers. 1956. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/11339. (Accessed December 6, 2019.)
APA citation style
(1956) Central Europe 1:250,000 Koln NM 32-4. Koln, Germany; Belgium; Luxembourg; Netherlands / printed by Army Map Service, Corps of Engineers. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/11339
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/11339>.
Note: These citations are programmatically generated and may be incomplete.