Principles of civil defense operations; web defense, mutual aid [and] mobile support

Chicago citation style
United States. Federal Civil Defense Administration. Principles of civil defense operations; web defense, mutual aid [and] mobile support. 1951. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001628066. (Accessed November 20, 2018.)
APA citation style
United States. Federal Civil Defense Administration, (1951) Principles of civil defense operations; web defense, mutual aid [and] mobile support. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001628066
MLA citation style
United States. Federal Civil Defense Administration. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001628066>.
Note: These citations are programmatically generated and may be incomplete.