CITIZENS OF ARLINGTON, VIRGINIA ARE WARNED TO AVOID ALL CONTACT WITH THE POLLUTED POTOMAC RIVER. THIS SIGN ADVISES IMMEDIATE MEDICAL ATTENTION IF PROLONGED EXPOSURE OCCURS

Chicago citation style
Environmental Protection Agency. 12/2/1970. CITIZENS OF ARLINGTON, VIRGINIA ARE WARNED TO AVOID ALL CONTACT WITH THE POLLUTED POTOMAC RIVER. THIS SIGN ADVISES IMMEDIATE MEDICAL ATTENTION IF PROLONGED EXPOSURE OCCURS. 1972-08. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/544971. (Accessed December 12, 2018.)
APA citation style
Environmental Protection Agency. 12/2/1970, (1972-08) CITIZENS OF ARLINGTON, VIRGINIA ARE WARNED TO AVOID ALL CONTACT WITH THE POLLUTED POTOMAC RIVER. THIS SIGN ADVISES IMMEDIATE MEDICAL ATTENTION IF PROLONGED EXPOSURE OCCURS. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/544971
MLA citation style
Environmental Protection Agency. 12/2/1970. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/544971>.
Note: These citations are programmatically generated and may be incomplete.